CONDENSED CONSOLIDATED BALANCE SHEETS [Parenthetical] - USD ($)	Jun. 30, 2017	Dec. 31, 2016
Allowance for doubtful accounts receivable (in dollars)	$ 75,521	$ 344,411
Preferred stock, par value (in dollars per share)	$ 0.001	$ 0.001
Preferred stock, shares authorized	10,000,000	10,000,000
Preferred stock, shares issued	2,045,714	2,045,714
Preferred stock, shares outstanding	0	0
Common stock, par value (in dollars per share)	$ 0.001	$ 0.001
Common stock, shares authorized	110,000,000	110,000,000
Common stock, shares issued	82,946,847	82,730,134
Common stock, shares outstanding	82,946,847	82,730,134