| Private Capital Management |
1,877,887 |
11.93 |
538,413 |
3/31/20 |
| ArrowMark Colorado Holdings, LLC |
1,543,105 |
9.80 |
6,950 |
3/31/20 |
| Calm Waters Partnership |
1,286,943 |
8.17 |
484,943 |
12/31/19 |
| Pacific Ridge Capital Partners, LLC |
1,204,929 |
7.60 |
170,687 |
6/30/20 |
| The Vanguard Group, Inc. |
914,929 |
5.81 |
384,654 |
3/31/20 |
| Goepel (Patrick Francis) |
772,890 |
4.91 |
8,000 |
6/30/20 |
| Columbia Threadneedle Investments (US) |
632,240 |
4.02 |
55,600 |
3/31/20 |
| Red Oak Partners, LLC |
332,970 |
2.11 |
-- |
4/22/20 |
| S Squared Technology, LLC |
284,549 |
1.81 |
34,297 |
3/31/20 |
| P.A.W. Capital Partners, LP |
280,000 |
1.78 |
167,500 |
6/30/20 |
| Dimensional Fund Advisors, L.P. |
273,850 |
1.74 |
-- |
3/31/20 |
| Altair Advisers LLC |
265,392 |
1.69 |
60,460 |
6/30/20 |
| BlackRock Institutional Trust Company, N.A. |
253,596 |
1.61 |
4,481 |
3/31/20 |
| Skylands Capital, LLC |
221,600 |
1.41 |
68,900 |
6/30/20 |
| Venator Capital Management Ltd. |
213,101 |
1.35 |
-63,300 |
3/31/20 |
| Russell Investments Trust Company |
193,698 |
1.23 |
-41,984 |
6/30/20 |
| Kennedy Capital Management, Inc. |
192,756 |
1.22 |
13,190 |
3/31/20 |
| Boothbay Fund Management, LLC |
189,728 |
1.21 |
42,220 |
3/31/20 |
| Perritt Capital Management, Inc. |
133,400 |
0.85 |
-31,120 |
3/31/20 |
| Winton Capital Management Ltd. |
126,961 |
0.81 |
15,255 |
6/30/20 |
| Florida State Board of Administration |
125,187 |
0.80 |
17,340 |
3/31/20 |
| Bard Associates Inc. |
106,043 |
0.67 |
-200 |
3/31/20 |
| Equitable Trust Company |
104,614 |
0.66 |
36,779 |
3/31/20 |
| Geode Capital Management, L.L.C. |
96,568 |
0.61 |
7,390 |
3/31/20 |
| Parametric Portfolio Associates LLC |
85,999 |
0.55 |
-4,931 |
3/31/20 |
| New Jersey Division of Investment |
84,700 |
0.54 |
-- |
6/30/20 |
| Qube Research & Technologies Ltd |
75,532 |
0.48 |
-50,960 |
3/31/20 |
| Susquehanna International Group, LLP |
74,253 |
0.47 |
-4,348 |
3/31/20 |
| Credit Suisse Asset Management |
64,332 |
0.41 |
-50,960 |
3/31/20 |
| Boston Partners |
64,016 |
0.41 |
-32,181 |
3/31/20 |
| Millennium Management LLC |
62,476 |
0.40 |
62,476 |
3/31/20 |
| JB Capital Partners, L.P. |
60,000 |
0.38 |
-- |
3/31/20 |
| D. E. Shaw & Co., L.P. |
42,305 |
0.27 |
42,305 |
3/31/20 |
| Raymond James Financial Services Advisors, Inc. |
39,005 |
0.25 |
-4,325 |
6/30/20 |
| Charles Schwab Investment Management, Inc. |
36,262 |
0.23 |
28,849 |
6/30/20 |
| T. Rowe Price Associates, Inc. |
33,780 |
0.21 |
-- |
3/31/20 |
| Royce & Associates, LP |
33,341 |
0.21 |
-321,676 |
6/30/20 |
| Waterfield (John Randall) |
32,786 |
0.21 |
-115,350 |
11/20/19 |
| ACG Wealth Inc. |
31,135 |
0.20 |
-- |
12/31/19 |
| Goldman Sachs & Company, Inc. |
30,350 |
0.19 |
9,746 |
3/31/20 |
| Sandberg (David) |
29,580 |
0.19 |
7,165 |
5/28/20 |
| Lathrop (Charles W JR) |
29,165 |
0.19 |
7,165 |
5/28/20 |
| Northern Trust Investments, Inc. |
28,855 |
0.18 |
100 |
3/31/20 |
| Nuveen LLC |
28,797 |
0.18 |
28,797 |
6/30/20 |
| Perkins Capital Management, Inc. |
26,000 |
0.17 |
-4,000 |
3/31/20 |
| Parallax Volatility Advisers, L.P. |
25,998 |
0.17 |
-959 |
3/31/20 |
| California Public Employees' Retirement System |
25,555 |
0.16 |
-8,000 |
3/31/20 |
| SEI Investments Management Corporation |
24,114 |
0.15 |
-- |
6/30/20 |
| Caption Management, LLC |
23,779 |
0.15 |
-- |
3/31/20 |
| BNY Mellon Asset Management |
22,970 |
0.15 |
-180 |
3/31/20 |
