Summary of Significant Accounting Policies - Detail 3 (Details) - USD ($)	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017
Numerator:
Net income (loss)	$ (906,714)	$ 1,052,401
Preferred Stock Dividends and Other Adjustments [Abstract]
Less: Accrual of Series A redeemable convertible preferred stock dividends	1,035,977	873,043
Less: Accretion to redemption value of Series A redeemable convertible preferred stock	254,212	0
Less: Deemed dividend on Series A redeemable convertible preferred stock	2,269,042	0
Net income (loss) attributable to common stockholders	$ (4,465,945)	$ 179,358
Denominator:
Weighted average basic shares outstanding (in shares)	93,330,146	44,413,061
Effect of dilutive securities:
Stock options and restricted stock	0	2,586,266
Series A redeemable convertible preferred stock	0	0
Weighted average diluted shares outstanding (in shares)	93,330,146	46,999,327
EPS:
Basic net loss per share attributable to common stockholders (in dollars per share)	$ (0.05)	$ 0.00
Diluted net loss per share attributable to common stockholders (in dollars per share)	$ (0.05)	$ 0.00