CONSOLIDATED STATEMENTS OF OPERATIONS (Unaudited) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Revenue:
Total revenue	$ 7,924	$ 3,888	$ 22,110	$ 12,262
Operating expense:
Cost of revenue	4,946	2,201	14,588	7,832
Gross profit	2,978	1,687	7,522	4,430
Research and development expense	635	405	1,670	1,134
Selling, general and administrative expense	942	730	2,994	2,133
Income from operations	1,401	552	2,858	1,163
Interest expense	38	122	1,096	368
Other income, net			(952)
Income before provision for income taxes	1,363	430	2,714	795
Provision for income taxes
Net income	$ 1,363	$ 430	$ 2,714	$ 795
Net income per basic share	$ 0.03	$ 0.01	$ 0.06	$ 0.02
Weighted average number of basic common shares outstanding	48,566,431	38,141,741	43,756,300	38,138,453
Net income per diluted share	$ 0.03	$ 0.01	$ 0.06	$ 0.02
Weighted average number of diluted common shares outstanding	50,728,431	38,432,741	45,726,300	38,228,453
Product [Member]
Revenue:
Total revenue	$ 7,896	$ 3,827	$ 21,971	$ 11,929
Product and Service, Other [Member]
Revenue:
Total revenue	$ 28	$ 61	$ 139	$ 333