Earnings Per Share (Details 1) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Numerator
Net income (loss)	$ 1,429,173	$ (1,976,173)	$ (322,825)	$ (9,807,667)
Effects of Series A redeemable convertible preferred stock:
Less: Series A redeemable convertible preferred stock dividends	215,000	194,012	634,664	581,986
Less: Accretion to redemption value of Series A redeemable convertible preferred stock	0	178,619	0	513,269
Net income (loss) attributable to common stockholders	$ 1,214,173	$ (2,348,804)	$ (957,489)	$ (10,902,922)
Denominator
Weighted average basic shares outstanding (in shares)	44,552,892	43,488,448	44,362,367	42,847,038
Effect of dilutive securities:
Stock options and restricted stock	901,468	0	0	0
Series A redeemable convertible preferred stock	8,781,516	0	0	0
Weighted average diluted shares outstanding (in shares)	54,235,876	43,488,448	44,362,367	42,847,038
Basic net loss per share attributable to common stockholders (in dollars per share)	$ 0.03	$ (0.05)	$ (0.02)	$ (0.25)
Diluted net loss per share attributable to common stockholders (in dollars per share)	$ 0.02	$ (0.05)	$ (0.02)	$ (0.25)