Consolidated Condensed Statements Of Equity - USD ($) shares in Thousands, $ in Thousands	Common Stock [Member]	Additional Paid-In Capital [Member]	Retained Earnings (Accumulated Deficit) [Member]	Accumulated Other Comprehensive Loss [Member]	Non-Controlling Interest [Member]	Total
Balance at Dec. 31, 2018	$ 8,664	$ 84,999	$ (509)	$ (927)	$ (253)	$ 91,974
Balance, shares at Dec. 31, 2018	8,664
Exercise of stock options, net	$ 27	(9)				18
Exercise of stock options, net, shares	27
Withholding of common stock upon vesting of restricted stock units	$ 20	(255)				(235)
Withholding of common stock upon vesting of restricted stock units, shares	20
Shares issued under the employee stock purchase plan	$ 3	67				70
Shares issued under the employee stock purchase plan, shares	3
Stock-based compensation		329				329
Net income (loss)			775			775
Comprehensive income				130		130
Balance at Mar. 31, 2019	$ 8,714	85,131	266	(797)	(253)	93,061
Balance, shares at Mar. 31, 2019	8,714
Balance at Dec. 31, 2018	$ 8,664	84,999	(509)	(927)	(253)	91,974
Balance, shares at Dec. 31, 2018	8,664
Net income (loss)						(4,254)
Balance at Jun. 30, 2019	$ 8,754	85,729	(4,764)	(538)	(253)	88,928
Balance, shares at Jun. 30, 2019	8,754
Balance at Mar. 31, 2019	$ 8,714	85,131	266	(797)	(253)	93,061
Balance, shares at Mar. 31, 2019	8,714
Exercise of stock options, net	$ 29	22				51
Exercise of stock options, net, shares	29
Withholding of common stock upon vesting of restricted stock units	$ 6	(6)
Withholding of common stock upon vesting of restricted stock units, shares	6
Shares issued under the employee stock purchase plan	$ 2	48				50
Shares issued under the employee stock purchase plan, shares	2
Stock-based compensation	$ 3	534				537
Stock-based compensation, shares	3
Net income (loss)			(5,030)			(5,030)
Comprehensive income				259		259
Balance at Jun. 30, 2019	$ 8,754	85,729	(4,764)	(538)	(253)	88,928
Balance, shares at Jun. 30, 2019	8,754
Balance at Dec. 31, 2019	$ 8,781	86,770	(4,286)	(520)	(253)	90,492
Balance, shares at Dec. 31, 2019	8,781
Exercise of stock options, net	$ 11	4				15
Exercise of stock options, net, shares	11
Withholding of common stock upon vesting of restricted stock units	$ 22	(220)				(198)
Withholding of common stock upon vesting of restricted stock units, shares	22
Shares issued under the employee stock purchase plan	$ 5	48				53
Shares issued under the employee stock purchase plan, shares	5
Stock-based compensation		376				376
Net income (loss)			(1,979)			(1,979)
Comprehensive income				18		18
Balance at Mar. 31, 2020	$ 8,819	86,978	(6,265)	(502)	(253)	88,777
Balance, shares at Mar. 31, 2020	8,819
Balance at Dec. 31, 2019	$ 8,781	86,770	(4,286)	(520)	(253)	$ 90,492
Balance, shares at Dec. 31, 2019	8,781
Exercise of stock options, net, shares						97
Net income (loss)						$ (4,253)
Balance at Jun. 30, 2020	$ 8,934	88,772	(8,546)	(484)	(246)	88,430
Balance, shares at Jun. 30, 2020	8,934
Balance at Mar. 31, 2020	$ 8,819	86,978	(6,265)	(502)	(253)	88,777
Balance, shares at Mar. 31, 2020	8,819
Exercise of stock options, net	$ 18	(18)
Exercise of stock options, net, shares	18
Withholding of common stock upon vesting of restricted stock units	$ 14	(62)				(48)
Withholding of common stock upon vesting of restricted stock units, shares	14
Shares issued under the employee stock purchase plan	$ 3	36				39
Shares issued under the employee stock purchase plan, shares	3
Acquisition of Emerald Medical Services	$ 80	902				982
Acquisition of Emerald Medical Services, shares	80
Stock-based compensation		936				936
Net income (loss)			(2,281)		7	(2,274)
Comprehensive income				18		18
Balance at Jun. 30, 2020	$ 8,934	$ 88,772	$ (8,546)	$ (484)	$ (246)	$ 88,430
Balance, shares at Jun. 30, 2020	8,934