Condensed Consolidated Statements of Operations (Unaudited) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Condensed Consolidated Statements of Operations (Unaudited)
Sales, net	$ 15,287,000	$ 11,101,000	$ 29,632,000	$ 21,149,000
Cost of sales	6,199,000	4,847,000	12,233,000	9,594,000
Gross profit	9,088,000	6,254,000	17,399,000	11,555,000
Operating expenses:
Sales and marketing	4,959,000	4,308,000	9,406,000	8,482,000
Research and development	942,000	1,069,000	1,861,000	2,237,000
General and administrative	6,874,000	7,932,000	15,709,000	16,263,000
Other	0	125,000	0	125,000
Operating expenses	12,775,000	13,434,000	26,976,000	27,107,000
Operating loss	(3,687,000)	(7,180,000)	(9,577,000)	(15,552,000)
Nonoperating expense:
Interest expense, net	(24,000)	(575,000)	(36,000)	(540,000)
Nonoperating expense	(24,000)	(575,000)	(36,000)	(540,000)
Net loss	$ (3,711,000)	$ (7,755,000)	$ (9,613,000)	$ (16,092,000)
Basic and diluted loss per common share	$ (0.06)	$ (0.14)	$ (0.16)	$ (0.29)
Basic and diluted weighted average
common shares outstanding	60,906	55,539	60,344	55,433