Consolidated Balance Sheets (Parenthetical) - USD ($) |
Dec. 31, 2015 |
Dec. 31, 2014 |
|---|---|---|
| Consolidated Balance Sheets [Abstract] | ||
| Royalty receivables, reserves | $ 629,457 | $ 305,171 |
| Common stock, par value (in dollars per share) | $ 0.0001 | $ 0.0001 |
| Common stock, shares authorized | 100,000,000 | 100,000,000 |
| Common stock, shares issued | 24,043,846 | 23,924,465 |
| Common stock, shares outstanding | 24,043,846 | 23,924,465 |