| Name | Hold | Shares | Value | Type |
|---|---|---|---|---|
| Nantahala Capital Management LLC | 8.73% | 3,338,048 | $13.45M | Institution |
| Archon Capital Management LLC | 8.58% | 3,281,486 | $13.22M | Institution |
| Scott Richard Davidson | 7.01% | 2,680,000 | $10.80M | Insider |
| Royce Associates LP | 6.47% | 2,474,399 | $9.97M | Institution |
| Stavros G. Vizirgianakis | 4.57% | 1,746,191 | $7.04M | Insider |
| Vanguard Group Inc | 4.00% | 1,528,947 | $6.16M | Institution |
| Universal Growth Investment Trust Renn | 3.26% | 1,247,800 | $5.03M | Insider |
| Silverberg Bernstein Capital Management LLC | 2.58% | 986,503 | $3.98M | Institution |
| Commonwealth Equity Services LLC | 1.74% | 663,541 | $2.67M | Institution |
| Andrew Makrides | 1.63% | 624,389 | $2.52M | Insider |