Consolidated Statements of Changes in Stockholders' Equity - USD ($)	Common Stock [Member]	Additional Paid In Capital [Member]	Accumulated Deficit	Total
Beginning Balance, Shares at Dec. 31, 2013	3,443,257
Beginning Balance, Amount at Dec. 31, 2013	$ 34,433	$ 146,810,786	$ (126,267,945)	$ 20,577,274
Shares issued for services, Shares	21,285
Shares issued for services, Amount	$ 212	305,891	0	306,103
Cancellation of fractional shares, Amount				0
Shares sold for cash, Shares	64,802
Shares sold for cash, Amount	$ 648	647,527	0	648,175
Exercise of warrants, Amount				0
Option expense	0	959,898	0	959,898
Net loss	$ 0	0	(15,052,263)	(15,052,263)
Ending Balance, Shares at Dec. 31, 2014	3,529,344
Ending Balance, Amount at Dec. 31, 2014	$ 35,293	148,724,102	(141,320,208)	7,439,187
Shares issued for services, Shares	13,379
Shares issued for services, Amount	$ 134	78,079	0	78,213
Cancellation of fractional shares, Shares	(1,365)
Cancellation of fractional shares, Amount	$ (13)	(5,015)	0	(5,028)
Shares sold for cash, Shares	3,440,448
Shares sold for cash, Amount	$ 34,404	13,247,631	0	13,282,035
Exercise of warrants, Shares	1,103
Exercise of warrants, Amount	$ 11	4,399	0	4,410
Option expense	0	835,723	0	835,723
Net loss	$ 0	0	(12,019,278)	(12,019,278)
Ending Balance, Shares at Dec. 31, 2015	6,982,909
Ending Balance, Amount at Dec. 31, 2015	$ 69,829	$ 162,884,919	$ (153,339,486)	$ 9,615,262