CONDENSED CONSOLIDATED STATEMENT OF SHAREHOLDERS' EQUITY (Unaudited) - 3 months ended Mar. 31, 2017 - USD ($)	Common Stock [Member]	Additional Paid-in Capital [Member]	Accumulated Deficit [Member]	Accumulated Other Comprehensive Income (Loss) [Member]	Total
Balance at Dec. 31, 2016	$ 604,367	$ 144,430,382	$ (81,005,654)	$ (789,172)	$ 63,239,923
Balance (in shares) at Dec. 31, 2016	60,436,548
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Share-based compensation	$ 0	349,239	0	0	349,239
Share-based compensation (in shares)	0
Proceeds from exercise of stock options, net of shares exchanged	$ 24	3,929			3,953
Proceeds from exercise of stock options, net of shares exchanged (in shares)	2,411
Adoption of ASU 2016-09	$ 0	111,497	(111,497)		0
Comprehensive loss	0	0	(1,210,417)	19,651	(1,190,766)
Balance at Mar. 31, 2017	$ 604,391	$ 144,895,047	$ (82,327,568)	$ (769,521)	$ 62,402,349
Balance (in shares) at Mar. 31, 2017	60,438,959