CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (Unaudited) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Revenue:
Total revenue	$ 3,972,445	$ 4,060,161	$ 12,464,812	$ 13,065,691
Cost of revenue:
Total cost of revenue	772,843	708,442	2,715,903	2,093,529
Gross profit	3,199,602	3,351,719	9,748,909	10,972,162
Operating expenses:
Research and development costs	782,161	1,065,031	2,503,008	2,997,826
Selling and marketing	1,067,436	1,144,271	3,436,783	3,209,930
General and administrative	1,454,103	1,068,754	4,280,188	4,175,578
Restructuring costs	384,829	315,283	745,201	951,265
Total operating expenses	3,688,529	3,593,339	10,965,180	11,334,599
Operating loss	(488,927)	(241,620)	(1,216,271)	(362,437)
Interest and other loss, net	(123,261)	(187,667)	(468,717)	(501,087)
Loss before income taxes	(612,188)	(429,287)	(1,684,988)	(863,524)
Income tax expense (benefit)	(55,274)	(96,858)	168,556	(33,868)
Net loss	(556,914)	(332,429)	(1,853,544)	(829,656)
Less: Accrual of Series A redeemable convertible preferred stock dividends	266,447	229,022	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	124,993	402,861	240,743
Net loss attributable to common stockholders	$ (962,760)	$ (686,444)	$ (3,026,432)	$ (4,026,593)
Basic net loss per share attributable to common stockholders (in dollars per share)	$ (0.16)	$ (0.70)	$ (0.51)	$ (5.31)
Diluted net loss per share attributable to common stockholders (in dollars per share)	$ (0.16)	$ (0.70)	$ (0.51)	$ (5.31)
Weighted average basic shares outstanding (in shares)	5,910,718	979,353
Weighted average diluted shares outstanding (in shares)	5,910,718	979,353	5,887,638	758,447
Product revenue
Revenue:
Total revenue	$ 1,663,782	$ 1,007,915	$ 4,879,996	$ 3,925,504
Cost of revenue:
Total cost of revenue	241,134	62,742	1,076,604	128,632
Support and services revenue
Revenue:
Total revenue	2,308,663	3,052,246	7,584,816	9,140,187
Cost of revenue:
Total cost of revenue	$ 531,709	$ 645,700	$ 1,639,299	$ 1,964,897