1
|
NAME OF REPORTING PERSON
BALCH HILL PARTNERS, L.P.
|
||
2
|
CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
|
(a) x
(b) o
|
|
3
|
SEC USE ONLY
|
||
4
|
SOURCE OF FUNDS
WC
|
||
5
|
CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEM 2(d) OR 2(e)
|
¨
|
|
6
|
CITIZENSHIP OR PLACE OF ORGANIZATION
DELAWARE
|
||
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH
|
7
|
SOLE VOTING POWER
- 0 -
|
|
8
|
SHARED VOTING POWER
4,100,000
|
||
9
|
SOLE DISPOSITIVE POWER
- 0 -
|
||
10
|
SHARED DISPOSITIVE POWER
4,100,000
|
||
11
|
AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
4,100,000**
|
||
12
|
CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES
|
o
|
|
13
|
PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
8.8%
|
||
14
|
TYPE OF REPORTING PERSON
PN
|
1
|
NAME OF REPORTING PERSON
BALCH HILL CAPITAL, LLC
|
||
2
|
CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
|
(a) x
(b) o
|
|
3
|
SEC USE ONLY
|
||
4
|
SOURCE OF FUNDS
AF
|
||
5
|
CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEM 2(d) OR 2(e)
|
¨
|
|
6
|
CITIZENSHIP OR PLACE OF ORGANIZATION
DELAWARE
|
||
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH
|
7
|
SOLE VOTING POWER
- 0 -
|
|
8
|
SHARED VOTING POWER
4,100,000
|
||
9
|
SOLE DISPOSITIVE POWER
- 0 -
|
||
10
|
SHARED DISPOSITIVE POWER
4,100,000
|
||
11
|
AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
4,100,000**
|
||
12
|
CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES
|
o
|
|
13
|
PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
8.8%
|
||
14
|
TYPE OF REPORTING PERSON
OO
|
1
|
NAME OF REPORTING PERSON
SIMON J. MICHAEL
|
||
2
|
CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
|
(a) x
(b) o
|
|
3
|
SEC USE ONLY
|
||
4
|
SOURCE OF FUNDS
AF
|
||
5
|
CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEM 2(d) OR 2(e)
|
¨
|
|
6
|
CITIZENSHIP OR PLACE OF ORGANIZATION
USA
|
||
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH
|
7
|
SOLE VOTING POWER
- 0 -
|
|
8
|
SHARED VOTING POWER
4,100,000
|
||
9
|
SOLE DISPOSITIVE POWER
- 0 -
|
||
10
|
SHARED DISPOSITIVE POWER
4,100,000
|
||
11
|
AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
4,100,000**
|
||
12
|
CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES
|
o
|
|
13
|
PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
8.8%
|
||
14
|
TYPE OF REPORTING PERSON
IN
|
1
|
NAME OF REPORTING PERSON
POTOMAC CAPITAL PARTNERS L.P.
|
||
2
|
CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
|
(a) x
(b) o
|
|
3
|
SEC USE ONLY
|
||
4
|
SOURCE OF FUNDS
WC
|
||
5
|
CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEM 2(d) OR 2(e)
|
¨
|
|
6
|
CITIZENSHIP OR PLACE OF ORGANIZATION
DELAWARE
|
||
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH
|
7
|
SOLE VOTING POWER
- 0 -
|
|
8
|
SHARED VOTING POWER
65,659
|
||
9
|
SOLE DISPOSITIVE POWER
- 0 -
|
||
10
|
SHARED DISPOSITIVE POWER
65,659
|
||
11
|
AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
65,659**
|
||
12
|
CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES
|
o
|
|
13
|
PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
Less than 1%
|
||
14
|
TYPE OF REPORTING PERSON
PN
|
1
|
NAME OF REPORTING PERSON
POTOMAC CAPITAL MANAGEMENT, L.L.C.
|
||
2
|
CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
|
(a) x
(b) o
|
|
3
|
SEC USE ONLY
|
||
4
|
SOURCE OF FUNDS
AF
|
||
5
|
CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEM 2(d) OR 2(e)
|
¨
|
|
6
|
CITIZENSHIP OR PLACE OF ORGANIZATION
NEW YORK
|
||
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH
|
7
|
SOLE VOTING POWER
- 0 -
|
|
8
|
SHARED VOTING POWER
65,659
|
||
9
|
SOLE DISPOSITIVE POWER
- 0 -
|
||
10
|
SHARED DISPOSITIVE POWER
65,659
|
||
11
|
AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
65,659**
|
||
12
|
CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES
|
o
|
|
13
|
PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
Less than 1%
|
||
14
|
TYPE OF REPORTING PERSON
OO
|
1
|
NAME OF REPORTING PERSON
POTOMAC CAPITAL PARTNERS II, L.P.
|
||
2
|
CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
|
(a) x
(b) o
|
|
3
|
SEC USE ONLY
|
||
4
|
SOURCE OF FUNDS
WC
|
||
5
|
CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEM 2(d) OR 2(e)
|
¨
|
|
6
|
CITIZENSHIP OR PLACE OF ORGANIZATION
DELAWARE
|
||
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH
|
7
|
SOLE VOTING POWER
- 0 -
|
|
8
|
SHARED VOTING POWER
234,134
|
||
9
|
SOLE DISPOSITIVE POWER
- 0 -
|
||
10
|
SHARED DISPOSITIVE POWER
234,134
|
||
11
|
AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
234,134**
|
||
12
|
CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES
|
o
|
|
13
|
PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
Less than 1%
|
||
14
|
TYPE OF REPORTING PERSON
PN
|
1
|
NAME OF REPORTING PERSON
POTOMAC CAPITAL MANAGEMENT II, L.L.C.
|
||
2
|
CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
|
(a) x
(b) o
|
|
3
|
SEC USE ONLY
|
||
4
|
SOURCE OF FUNDS
AF
|
||
5
|
CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEM 2(d) OR 2(e)
|
¨
|
|
6
|
CITIZENSHIP OR PLACE OF ORGANIZATION
DELAWARE
|
||
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH
|
7
|
SOLE VOTING POWER
- 0 -
|
|
8
|
SHARED VOTING POWER
234,134
|
||
9
|
SOLE DISPOSITIVE POWER
- 0 -
|
||
10
|
SHARED DISPOSITIVE POWER
234,134
|
||
11
|
AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
234,134**
|
||
12
|
CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES
|
o
|
|
13
|
PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
Less than 1%
|
||
14
|
TYPE OF REPORTING PERSON
OO
|
1
|
NAME OF REPORTING PERSON
POTOMAC CAPITAL PARTNERS III, L.P.
|
||
2
|
CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
|
(a) x
(b) o
|
|
3
|
SEC USE ONLY
|
||
4
|
SOURCE OF FUNDS
WC
|
||
5
|
CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEM 2(d) OR 2(e)
|
¨
|
|
6
|
CITIZENSHIP OR PLACE OF ORGANIZATION
DELAWARE
|
||
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH
|
7
|
SOLE VOTING POWER
- 0 -
|
|
8
|
SHARED VOTING POWER
108,377
|
||
9
|
SOLE DISPOSITIVE POWER
- 0 -
|
||
10
|
SHARED DISPOSITIVE POWER
108,377
|
||
11
|
AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
108,377**
|
||
12
|
CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES
|
o
|
|
13
|
PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
Less than 1%
|
||
14
|
TYPE OF REPORTING PERSON
PN
|
1
|
NAME OF REPORTING PERSON
POTOMAC CAPITAL MANAGEMENT III, L.L.C.
|
||
2
|
CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
|
(a) x
(b) o
|
|
3
|
SEC USE ONLY
|
||
4
|
SOURCE OF FUNDS
AF
|
||
5
|
CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEM 2(d) OR 2(e)
|
¨
|
|
6
|
CITIZENSHIP OR PLACE OF ORGANIZATION
DELAWARE
|
||
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH
|
7
|
SOLE VOTING POWER
- 0 -
|
|
8
|
SHARED VOTING POWER
108,377
|
||
9
|
SOLE DISPOSITIVE POWER
- 0 -
|
||
10
|
SHARED DISPOSITIVE POWER
108,377
|
||
11
|
AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
108,377**
|
||
12
|
CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES
|
o
|
|
13
|
PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
Less than 1%
|
||
14
|
TYPE OF REPORTING PERSON
OO
|
1
|
NAME OF REPORTING PERSON
PAUL J. SOLIT
|
||
2
|
CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
|
(a) x
(b) o
|
|
3
|
SEC USE ONLY
|
||
4
|
SOURCE OF FUNDS
AF
|
||
5
|
CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEM 2(d) OR 2(e)
|
¨
|
|
6
|
CITIZENSHIP OR PLACE OF ORGANIZATION
USA
|
||
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH
|
7
|
SOLE VOTING POWER
- 0 -
|
|
8
|
SHARED VOTING POWER
408,170
|
||
9
|
SOLE DISPOSITIVE POWER
- 0 -
|
||
10
|
SHARED DISPOSITIVE POWER
408,170
|
||
11
|
AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
408,170**
|
||
12
|
CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES
|
o
|
|
13
|
PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
Less than 1%
|
||
14
|
TYPE OF REPORTING PERSON
IN
|
1
|
NAME OF REPORTING PERSON
ERIC SINGER
|
||
2
|
CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
|
(a) x
(b) o
|
|
3
|
SEC USE ONLY
|
||
4
|
SOURCE OF FUNDS
AF
|
||
5
|
CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEM 2(d) OR 2(e)
|
¨
|
|
6
|
CITIZENSHIP OR PLACE OF ORGANIZATION
USA
|
||
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH
|
7
|
SOLE VOTING POWER
- 0 -
|
|
8
|
SHARED VOTING POWER
342,511
|
||
9
|
SOLE DISPOSITIVE POWER
- 0 -
|
||
10
|
SHARED DISPOSITIVE POWER
342,511
|
||
11
|
AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
342,511**
|
||
12
|
CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES
|
o
|
|
13
|
PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
Less than 1%
|
||
14
|
TYPE OF REPORTING PERSON
IN
|
Item 2.
|
Identity and Background.
|
|
(i)
|
Balch Hill Partners, L.P., a Delaware limited partnership (the “Balch Hill Partnership”);
|
|
(ii)
|
Balch Hill Capital, LLC, a Delaware limited liability company (“Balch Hill”), an investment adviser registered with the Securities and Exchange Commission (“SEC”) and who serves as the general partner of, and investment adviser to, Balch Hill Partnership;
|
|
(iii)
|
Simon J. Michael (“Mr. Michael” and, together with Balch Hill Partnership and Balch Hill, the “Balch Hill Entities”), who serves as the sole manager of Balch Hill;
|
|
(iv)
|
Potomac Capital Partners, L.P., a Delaware limited partnership (“PCP I”);
|
|
(v)
|
Potomac Capital Management, L.L.C., a New York limited liability company (“Potomac Management I”), who serves as the general partner of PCP I;
|
|
(vi)
|
Potomac Capital Partners II, L.P., a Delaware limited partnership (“PCP II”);
|
|
(vii)
|
Potomac Capital Management II, L.L.C., a Delaware limited liability company (“Potomac Management II”), who serves as the general partner of PCP II;
|
|
(viii)
|
Potomac Capital Partners III, L.P., a Delaware limited partnership (“PCP III”);
|
|
(ix)
|
Potomac Capital Management III, L.L.C., a Delaware limited liability company (“Potomac Management III”), who serves as the general partner of PCP III;
|
|
(x)
|
Paul J. Solit (“Mr. Solit”), who serves as the co-managing member of each of Potomac Management II and Potomac Management III; and
|
|
(xi)
|
Eric Singer (“Mr. Singer” and, together with PCP I, Potomac Management I, PCP II, Potomac Management II, PCP III, Potomac Management III, and Mr. Solit, the “Potomac Entities”), who serves as the co-managing member of each of Potomac Management II and Potomac Management III.
|
Item 3.
|
Source and Amount of Funds or Other Consideration.
|
Item 4.
|
Purpose of Transaction
|
Item 5.
|
Interest in Securities of the Issuer.
|
Item 6.
|
Contracts, Arrangements, Understandings or Relationships With Respect to Securities of the Issuer
|
Item 7.
|
Material to be Filed as Exhibits.
|
BALCH HILL PARTNERS, L.P.
|
|||
By:
|
Balch Hill Capital, LLC
General Partner
|
||
By:
|
/s/ Simon J. Michael
|
||
Name:
|
Simon J. Michael
|
||
Title:
|
Manager
|
BALCH HILL CAPITAL, LLC
|
|||
By:
|
/s/ Simon J. Michael
|
||
Name:
|
Simon J. Michael
|
||
Title:
|
Manager
|
/s/ Simon J. Michael
|
|
SIMON J. MICHAEL
|
POTOMAC CAPITAL PARTNERS L.P.
|
||
By:
|
Potomac Capital Management, L.L.C.
|
|
General Partner
|
||
By:
|
/s/ Paul J. Solit
|
|
Name:
|
Paul J. Solit
|
|
Title:
|
Managing Member
|
POTOMAC CAPITAL MANAGEMENT, L.L.C.
|
||
By:
|
/s/ Paul J. Solit
|
|
Name:
|
Paul J. Solit
|
|
Title:
|
Managing Member
|
POTOMAC CAPITAL PARTNERS II, L.P.
|
||
By:
|
Potomac Capital Management II, L.L.C.
|
|
General Partner
|
||
By:
|
/s/ Paul J. Solit
|
|
Name:
|
Paul J. Solit
|
|
Title:
|
Co-Managing Member
|
POTOMAC CAPITAL MANAGEMENT II, L.L.C.
|
||
By:
|
/s/ Paul J. Solit
|
|
Name:
|
Paul J. Solit
|
|
Title:
|
Co-Managing Member
|
POTOMAC CAPITAL PARTNERS III, L.P.
|
||
By:
|
Potomac Capital Management III, L.L.C.
|
|
General Partner
|
||
By:
|
/s/ Paul J. Solit
|
|
Name:
|
Paul J. Solit
|
|
Title:
|
Co-Managing Member
|
POTOMAC CAPITAL MANAGEMENT III, L.L.C.
|
||
By:
|
/s/ Paul J. Solit
|
|
Name:
|
Paul J. Solit
|
|
Title:
|
Co-Managing Member
|
/s/ Paul J. Solit
|
|
PAUL J. SOLIT
|
/s/ Eric Singer
|
|
ERIC SINGER
|
Shares Purchased / (Sold)
|
Price Per Share ($)
|
Date of Purchase/Sale
|
(70,000)
|
5.2147
|
12/18/2012
|
(2,800)
|
5.2918
|
12/19/2012
|
(17,200)
|
5.3027
|
12/20/2012
|
16,000
|
4.5032
|
11/20/2012
|
8,800
|
4.5111
|
11/21/2012
|
40,859
|
4.7921
|
12/05/2012
|
66,600
|
4.7645
|
11/28/2012
|
54,096
|
4.8868
|
12/03/2012
|
68,005
|
4.8813
|
12/04/2012
|
50,000
|
4.7921
|
12/05/2012
|
20,450
|
4.8900
|
12/06/2012
|
(5,017)
|
5.1142
|
01/11/2013
|
(20,000)
|
5.2601
|
01/14/2013
|
16,803
|
4.8868
|
12/03/2012
|
21,124
|
4.8813
|
12/04/2012
|
50,000
|
4.7921
|
12/05/2012
|
20,450
|
4.8900
|
12/06/2012
|