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, 2014	3,529,344
Beginning 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
Shares issued for services, Shares	77,460
Shares issued for services, Amount	$ 775	164,215	0	164,990
Cancellation of fractional shares, Amount				0
Shares sold for cash, Shares	66,184
Shares sold for cash, Amount	$ 662	276,250		276,912
Exercise of warrants, Shares	14,501
Exercise of warrants, Amount	$ 145	57,840	0	57,985
Option expense		570,991		570,991
Net loss			(7,980,114)	(7,980,114)
Ending Balance, Shares at Dec. 31, 2016	7,141,054
Ending Balance, Amount at Dec. 31, 2016	$ 71,411	$ 163,954,215	$ (161,319,600)	$ 2,706,026