Condensed Consolidated Statements of Equity (Unaudited) - USD ($) shares in Thousands, $ in Thousands	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	AOCI Attributable to Parent [Member]	Noncontrolling Interest [Member]	Total
Balances (in shares) at Dec. 31, 2019	8,781
Balances at Dec. 31, 2019	$ 8,781	$ 86,770	$ (4,286)	$ (520)	$ (253)	$ 90,492
Exercise of stock options, net (in shares)	11
Exercise of stock options, net	$ 11	4	0	0	0	15
Withholding of common stock upon vesting of restricted stock units (in shares)	22
Withholding of common stock upon vesting of restricted stock units	$ 22	(220)	0	0	0	(198)
Shares issued under the employee stock purchase plan (in shares)	5
Shares issued under the employee stock purchase plan	$ 5	48	0	0	0	53
Stock-based compensation	0	376	0	0	0	376
Net income (loss)	0	0	(1,979)	0	0	(1,979)
Other	$ 0	0	0	18	0	18
Balances (in shares) at Mar. 31, 2020	8,819
Balances at Mar. 31, 2020	$ 8,819	86,978	(6,265)	(502)	(253)	88,777
Balances (in shares) at Dec. 31, 2019	8,781
Balances at Dec. 31, 2019	$ 8,781	86,770	(4,286)	(520)	(253)	90,492
Net income (loss)						(4,253)
Balances (in shares) at Jun. 30, 2020	8,934
Balances at Jun. 30, 2020	$ 8,934	88,772	(8,546)	(484)	(246)	88,430
Balances (in shares) at Mar. 31, 2020	8,819
Balances at Mar. 31, 2020	$ 8,819	86,978	(6,265)	(502)	(253)	88,777
Exercise of stock options, net (in shares)	18
Exercise of stock options, net	$ 18	(18)	0	0	0	0
Withholding of common stock upon vesting of restricted stock units (in shares)	14
Withholding of common stock upon vesting of restricted stock units	$ 14	(62)	0	0	0	(48)
Shares issued under the employee stock purchase plan (in shares)	3
Shares issued under the employee stock purchase plan	$ 3	36	0	0	0	39
Stock-based compensation	0	936	0	0	0	936
Net income (loss)	0	0	(2,281)	0	7	(2,274)
Other	$ 0	0	0	18	0	18
Acquisition of Emerald Medical Services (in shares)	80
Acquisition of Emerald Medical Services	$ 80	902	0	0	0	982
Balances (in shares) at Jun. 30, 2020	8,934
Balances at Jun. 30, 2020	$ 8,934	88,772	(8,546)	(484)	(246)	88,430
Balances (in shares) at Dec. 31, 2020	8,951
Balances at Dec. 31, 2020	$ 8,951	89,702	(6,810)	(679)	35	91,199
Exercise of stock options, net (in shares)	22
Exercise of stock options, net	$ 22	(15)	0	0	0	7
Withholding of common stock upon vesting of restricted stock units (in shares)	24
Withholding of common stock upon vesting of restricted stock units	$ 24	(265)	0	0	0	(241)
Shares issued under the employee stock purchase plan (in shares)	2
Shares issued under the employee stock purchase plan	$ 2	51	0	0	0	53
Stock-based compensation	0	453	0	0	0	453
Net income (loss)	0	0	714	0	(42)	672
Other	$ 0	0	0	152	(50)	102
Balances (in shares) at Mar. 31, 2021	8,999
Balances at Mar. 31, 2021	$ 8,999	89,926	(6,096)	(527)	(57)	92,245
Balances (in shares) at Dec. 31, 2020	8,951
Balances at Dec. 31, 2020	$ 8,951	89,702	(6,810)	(679)	35	$ 91,199
Exercise of stock options, net (in shares)						73
Net income (loss)						$ (456)
Balances (in shares) at Jun. 30, 2021	9,082
Balances at Jun. 30, 2021	$ 9,082	90,532	(7,275)	(446)	62	91,955
Balances (in shares) at Mar. 31, 2021	8,999
Balances at Mar. 31, 2021	$ 8,999	89,926	(6,096)	(527)	(57)	92,245
Exercise of stock options, net (in shares)	41
Exercise of stock options, net	$ 41	91	0	0	0	132
Withholding of common stock upon vesting of restricted stock units (in shares)	39
Withholding of common stock upon vesting of restricted stock units	$ 39	(106)	0	0	0	(67)
Shares issued under the employee stock purchase plan (in shares)	3
Shares issued under the employee stock purchase plan	$ 3	55	0	0	0	58
Stock-based compensation	0	566	0	0	0	566
Net income (loss)	0	0	(1,179)	0	51	(1,128)
Other	$ 0	0	0	81	68	149
Balances (in shares) at Jun. 30, 2021	9,082
Balances at Jun. 30, 2021	$ 9,082	$ 90,532	$ (7,275)	$ (446)	$ 62	$ 91,955