| % of Shares Held by All Insider and 5% Owners: | 36% | | % of Shares Held by Institutional & Mutual Fund Owners: | 30% | | % of Float Held by Institutional & Mutual Fund Owners: | 47% | | Number of Institutions Holding Shares: | 34 |
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| Major Direct Holders (Forms 3 & 4) |
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| Holder | Shares | Reported |
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| NGP ENERGY TECHNOLOGY PARTNERS II, L.P. | 2,616,525 | May 16, 2012 | | FELDMAN JEROME I | 228,858 | Mar 15, 2013 | | TAWES ORRIE LEE | 218,696 | Mar 15, 2012 | | POLEFRONE PHILLIP M | 19,800 | Nov 30, 2011 | | GORDON LAWRENCE M | 10,000 | Aug 27, 2012 |
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| Top Institutional Holders |
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| Holder | Shares | % Out | Value* | Reported |
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| S SQUARED TECHNOLOGY CORP. | 1,490,800 | 8.11 | 3,220,128 | Dec 31, 2012 | | Vanguard Group, Inc. (The) | 782,166 | 4.26 | 1,564,332 | Mar 31, 2013 | | Dimensional Fund Advisors LP | 600,339 | 3.27 | 1,200,678 | Mar 31, 2013 | | Bard Associates Inc. | 487,015 | 2.65 | 974,030 | Mar 31, 2013 | | Babson Capital Management LLC | 472,100 | 2.57 | 944,200 | Mar 31, 2013 | | NSB Advisors LLC | 452,798 | 2.46 | 905,596 | Mar 31, 2013 | | Renaissance Technologies, LLC | 214,100 | 1.17 | 428,200 | Mar 31, 2013 | | Wells Fargo & Company | 155,963 | 0.85 | 311,926 | Mar 31, 2013 | | CALPERS (California-Public Employees Retirement System) | 147,100 | 0.80 | 294,200 | Mar 31, 2013 | | BlackRock Institutional Trust Company, N.A. | 126,947 | 0.69 | 253,894 | Mar 31, 2013 |
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| Holder | Shares | % Out | Value* | Reported |
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| Vanguard Total Stock Market Index Fund | 528,356 | 2.88 | 1,141,248 | Dec 31, 2012 | | Investment Managers Ser Tr-Bridgehampton Value Strategies Fd | 475,600 | 2.59 | 1,074,856 | Feb 28, 2013 | | Vanguard Extended Market Index Fund | 174,603 | 0.95 | 377,142 | Dec 31, 2012 | | DFA U.S. Micro Cap Series | 127,249 | 0.69 | 257,042 | Jan 31, 2013 | | DFA U.S. Small Cap Series | 72,970 | 0.40 | 147,399 | Jan 31, 2013 | | DFA U.S. Targeted Value Portfolio | 70,034 | 0.38 | 141,468 | Jan 31, 2013 | | DFA Tax Managed U.S. Targeted Value Port | 56,149 | 0.31 | 113,420 | Jan 31, 2013 | | Teton Westwood Mighty Mites Fd | 45,300 | 0.25 | 90,600 | Mar 31, 2013 | | Bridgeway Funds Inc-Ultra Small Company Market Fund | 45,000 | 0.24 | 97,200 | Dec 31, 2012 | | Gabelli Small Cap Growth Fund | 35,589 | 0.19 | 71,178 | Mar 31, 2013 |
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View Transactions for Insiders & Institutional Holders Value shown is computed using the security's price on the report date given. Currency in USD. |
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