| December 31, 2016 | December 31, 2015 | |||||||
| Deferred tax assets: | ||||||||
| Net operating loss carryforward | $ | 31,980,117 | $ | 28,475,616 | ||||
| Stock-based compensation | 4,496,398 | 4,240,612 | ||||||
| Total deferred tax assets | 36,476,515 | 32,716,228 | ||||||
| Deferred tax liabilities: | ||||||||
| Fixed assets | (17,261 | ) | (348,869 | ) | ||||
| Less: valuation allowance | (36,459,254 | ) | (32,367,359 | ) | ||||
| $ | -- | $ | -- | |||||
| December 31, 2016 | December 31, 2015 | December 31, 2014 | ||||||||||||||||||||||
| Federal statutory rate | $ | (2,673,920 | ) | 35.0 | % | $ | (3,457,068 | ) | 35.0 | % | $ | (3,610,711 | ) | 35.0 | % | |||||||||
| State income taxes – Idaho | (2,455 | ) | 0.03 | % | (7,652 | ) | 0.1 | % | (11,016 | ) | 0.1 | % | ||||||||||||
| State income taxes - Utah | (191,070 | ) | 2.5 | % | (243,973 | ) | 2.5 | % | (239,093 | ) | 2.3 | % | ||||||||||||
| State and local income taxes - NY | (28,559 | ) | 0.4 | % | (30,468 | ) | 0.3 | % | (46,372 | ) | 0.4 | % | ||||||||||||
| Change in valuation allowance | 4,091,895 | (53.6 | % ) | 5,672,480 | (57.5 | % ) | 4,935,302 | (47.8 | % ) | |||||||||||||||
| Net nontaxable income related to derivatives | (1,214,608 | ) | 15.9 | % | (2,005,896 | ) | 20.3 | % | (843,861 | ) | 8.2 | % | ||||||||||||
| Miscellaneous | 18,717 | (0.2 | % ) | 72,577 | ) | (0.70 | % % | (184,249 | 2.0 | ) | ||||||||||||||
| $ | -- | 0 | % | $ | -- | 0 | % | $ | -- | 0 | % | |||||||||||||