CONSOLIDATED STATEMENTS OF OPERATIONS (Unaudited Consolidated Condensed) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Revenue:
Total revenue	$ 4,335	$ 3,294	$ 8,374	$ 7,049
Operating expense:
Cost of revenue	2,625	2,462	5,630	5,333
Gross profit	1,710	832	2,744	1,716
Research and development expense	357	485	729	962
Selling, general and administrative expense	699	944	1,404	1,821
Income/(loss) from operations	654	(597)	611	(1,067)
Interest expense	122	50	246	93
Income/(loss) before provision for income taxes	532	(647)	365	(1,160)
Provision for income taxes
Net income/(loss)	$ 532	$ (647)	$ 365	$ (1,160)
Net income/(loss) per basic shares (in dollars per share)	$ 0.01	$ (0.02)	$ 0.01	$ (0.03)
Weighted average number of basic common shares outstanding (in shares)	38,136,792	36,136,759	38,136,792	35,030,422
Net income/(loss) per diluted share (in dollars per share)	$ 0.01	$ (0.02)	$ 0.01	$ (0.03)
Weighted average number of diluted common shares outstanding (in shares)	38,201,792	36,136,759	38,186,792	35,030,422
Product Revenue [Member]
Revenue:
Total revenue	$ 4,141	$ 3,257	$ 8,102	$ 6,754
Other Revenue [Member]
Revenue:
Total revenue	$ 194	$ 37	$ 272	$ 295