Condensed Consolidated Statements of Operations (Unaudited) - USD ($) shares in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Net revenue:
Revenue	$ 39,132,000	$ 46,117,000	$ 97,740,000	$ 129,917,000
Cost of revenue:
Cost of revenue	17,386,000	19,884,000	50,034,000	60,544,000
Gross profit	21,746,000	26,233,000	47,706,000	69,373,000
Operating expenses:
Sales and marketing	12,286,000	17,691,000	38,109,000	50,786,000
Research and development	3,432,000	3,643,000	10,294,000	10,622,000
General and administrative	7,239,000	7,308,000	23,575,000	18,100,000
Total operating expenses	22,957,000	28,642,000	71,978,000	79,508,000
Loss from operations	(1,211,000)	(2,409,000)	(24,272,000)	(10,135,000)
Other expense	(382,000)	(146,000)	(586,000)	(180,000)
Loss before income taxes	(1,593,000)	(2,555,000)	(24,858,000)	(10,315,000)
Income tax expense (benefit)	664,000	73,000	1,207,000	(55,000)
Net loss	$ (2,257,000)	$ (2,628,000)	$ (26,065,000)	$ (10,260,000)
Net loss per share:
Basic and Diluted (in dollars per share)	$ (0.13)	$ (0.19)	$ (1.59)	$ (0.73)
Weighted-average number of shares used in per share calculations
Basic and Diluted (in shares)	17,603	14,182	16,368	14,095
Product [Member]
Net revenue:
Revenue	$ 33,254,000	$ 40,315,000	$ 81,390,000	$ 113,045,000
Cost of revenue:
Cost of revenue	14,017,000	16,343,000	40,326,000	50,278,000
Service [Member]
Net revenue:
Revenue	5,878,000	5,802,000	16,350,000	16,872,000
Cost of revenue:
Cost of revenue	$ 3,369,000	$ 3,541,000	$ 9,708,000	$ 10,266,000