Consolidated Statements of Changes in Stockholders' Equity - 3 months ended Mar. 31, 2017 - USD ($)	Common Stock [Member]	Additional Paid In Capital [Member]	Accumulated Deficit [Member]	Total
Beginning Balance, Shares at Dec. 31, 2016	7,141,054
Beginning Balance, Amount at Dec. 31, 2016	$ 71,411	$ 163,954,215	$ (161,319,600)	$ 2,706,026
Common stock sold for cash, Shares	516,278
Common stock sold for cash, Amount	$ 5,162	408,500		413,662
Option expense		48,277		48,277
Net loss			(926,272)	(926,272)
Ending Balance, Shares at Mar. 31, 2017	7,657,332
Ending Balance, Amount at Mar. 31, 2017	$ 76,573	$ 164,410,992	$ (162,245,872)	$ 2,241,693