Summary of Significant Accounting Policies - Earnings per Share (Details) - USD ($)	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
Numerator:
Net income (loss)	$ 1,138,509	$ (1,751,954)
Preferred Stock Dividends and Other Adjustments [Abstract]
Less: Accrual of Series A redeemable convertible preferred stock dividends	1,083,892	1,157,762
Less: Accretion to redemption value of Series A redeemable convertible preferred stock	552,551	389,811
Net income (loss) attributable to common stockholders	$ (497,934)	$ (3,299,527)
Denominator:
Weighted average basic shares outstanding	5,920,517	5,900,621
Weighted average diluted shares outstanding	5,920,517	5,900,621
EPS:
Basic net income (loss) per share attributable to common stockholders	$ (0.08)	$ (0.56)
Diluted net income (loss) per share attributable to common stockholders	$ (0.08)	$ (0.56)