Consolidated Statements of Changes in Stockholders' Equity - 6 months ended Jun. 30, 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		96,554		96,554
Net loss			(1,604,464)	(1,604,464)
Ending Balance, Shares at Jun. 30, 2017	7,657,332
Ending Balance, Amount at Jun. 30, 2017	$ 76,573	$ 164,459,269	$ (162,924,064)	$ 1,611,778