Condensed Consolidated Statements of Operations and Comprehensive Income (Loss) (Unaudited) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Revenues	$ 3,314	$ 9,289	$ 10,851	$ 19,111
Cost of revenues	3,566	5,120	8,375	10,534
Gross profit (loss)	(252)	4,169	2,476	8,577
Operating Expenses:
General & administrative	1,853	1,355	3,386	3,270
Marketing & selling	856	1,088	1,962	2,217
Research & development	345	400	676	820
Total Operating Expenses	3,054	2,843	6,024	6,307
Operating income (loss)	(3,306)	1,326	(3,548)	2,270
Other income (expense), net	(39)	22	(112)	48
Income (loss) before provision for (benefit from) income taxes	(3,345)	1,348	(3,660)	2,318
Provision for (benefit from) income taxes	(1,295)	580	(1,451)	923
Net income (loss)	(2,050)	768	(2,209)	1,395
Other comprehensive income (loss):
Foreign currency translation	13	82	(10)	34
Total comprehensive income (loss)	$ (2,037)	$ 850	$ (2,219)	$ 1,429
Basic net income (loss) per share (in dollars per share)	$ (0.37)	$ 0.14	$ (0.40)	$ 0.25
Diluted net income (loss) per share (in dollars per share)	(0.37)	0.14	(0.40)	0.25
Dividends declared per share (in dollars per share)		$ 0.18	$ 0.18	$ 0.36