Series A Redeemable Convertible Preferred Stock - Reconciliation of Net Loss Attributable to Common Stockholders (Details) - USD ($)	3 Months Ended						9 Months Ended
	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	Sep. 30, 2018	Jun. 30, 2018	Mar. 31, 2018	Sep. 30, 2019	Sep. 30, 2018
Equity [Abstract]
Net income (loss)	$ (556,914)	$ (1,171,723)	$ (124,907)	$ (332,429)	$ (1,004,104)	$ 506,877	$ (1,853,544)	$ (829,656)
Less: Accrual of Series A redeemable convertible preferred stock dividends	266,447	256,553	247,027	229,022	214,963	243,167	770,027	687,152
Less: Deemed dividend on Series A redeemable convertible preferred stock	0			0			0	2,269,042
Less: Accretion to redemption value of Series A redeemable convertible preferred stock	139,399	$ 134,223	$ 129,239	124,993	$ 77,645	$ 38,105	402,861	240,743
Net loss attributable to common stockholders	$ (962,760)			$ (686,444)			$ (3,026,432)	$ (4,026,593)