Consolidated Statements of Changes in Stockholders' Equity - USD ($) $ in Thousands	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	AOCI Attributable to Parent [Member]	Noncontrolling Interest [Member]	Total
Balance (in shares) at Dec. 31, 2016	14,931,529
Balance at Dec. 31, 2016	$ 149	$ 177,276	$ (156,451)	$ (4,546)		$ 16,428
Net loss			(45,106)			(45,106)
Foreign currency translation adjustment				743		743
Balance (in shares) at Dec. 31, 2017	14,931,529
Balance at Dec. 31, 2017	$ 149	177,276	(201,557)	(3,803)		(27,935)
Net loss			(20,846)			(20,846)
Foreign currency translation adjustment				29		29
Stock-based compensation expense		10,933				10,933
Stock split (1.5543-for-one) (in shares)	8,276,547
Stock split (1.5543-for-one)	$ 83	(83)
Reclassification of management shares (in shares)	170,712
Reclassification of management shares	$ 2	1,319				1,321
Vesting of restricted stock (in shares)	112,286
Vesting of restricted stock
Stock option exercise (in shares)	74,722
Stock option exercise	$ 1	773				774
Issuance of common stock (in shares)	11,787,500
Issuance of common stock	$ 118	171,410				$ 171,528
Balance (in shares) at Dec. 31, 2018	35,353,296					35,353,296
Balance at Dec. 31, 2018	$ 353	361,628	(222,403)	(3,774)		$ 135,804
Net loss			(11,752)		231	(11,521)
Foreign currency translation adjustment				1,366		1,366
Stock-based compensation expense		9,001				9,001
Vesting of restricted stock (in shares)	231,543
Vesting of restricted stock	$ 2	(2)
Stock option exercise (in shares)	70,288					70,288
Stock option exercise	$ 1	684				$ 685
Issuance of common stock (in shares)
Issuance of common stock
Business acqusitions					71	71
Cash distributions to noncontrolling interest owners					(302)	(302)
Share repurchase (in shares)	(120,569)
Share repurchase	$ (1)		(1,319)			$ (1,320)
Balance (in shares) at Dec. 31, 2019	35,534,558					35,534,558
Balance at Dec. 31, 2019	$ 355	$ 371,311	$ (235,474)	$ (2,408)		$ 133,784