Consolidated Statements of Operations - USD ($)	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
Total revenue	$ 14,768,693	$ 16,543,571
Total cost of revenue	1,827,478	2,912,987
Gross profit	12,941,215	13,630,584
Operating expenses:
Research and development costs	2,467,783	3,208,921
Selling and marketing	4,601,228	4,337,054
General and administrative	3,022,350	5,635,273
Restructuring costs	1,032,826	1,104,318
Total operating expenses	11,124,187	14,285,566
Operating income (loss)	1,817,028	(654,982)
Interest and other expense	(692,838)	(604,647)
Income (loss) before income taxes	1,124,190	(1,259,629)
Income tax expense (benefit)	(14,319)	492,325
Net income (loss)	1,138,509	(1,751,954)
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)
Earnings per share
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)
Weighted average basic shares outstanding	5,920,517	5,900,621
Weighted average diluted shares outstanding	5,920,517	5,900,621
Product
Total revenue	$ 7,097,695	$ 6,767,595
Total cost of revenue	297,555	721,122
Support and service
Total revenue	7,670,998	9,775,976
Total cost of revenue	$ 1,529,923	$ 2,191,865