Condensed Consolidated Statements of Stockholders' Deficit (Unaudited) - 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, 2019	14,224,787
Balance at Dec. 31, 2019	$ 142	$ 956,647	$ (974,291)	$ (19,318)	$ 2,188	$ (34,632)
Net loss	0	0	(2,263)	0	(77)	(2,340)
Translation adjustment	0	0	0	(1,781)	(457)	(2,238)
Stock-based compensation expense	$ 0	617	0	0	0	617
Vesting of restricted stock units/awards (in shares)	16,089
Vesting of restricted stock units/awards	$ 0	0	0	0	0	0
Vested restricted stock cancelled for employee minimum income taxes (in shares)	(750)
Vested restricted stock cancelled for employee minimum income taxes	$ 0	(10)	0	0	0	(10)
Balance (in shares) at Mar. 31, 2020	14,240,126
Balance at Mar. 31, 2020	$ 142	957,254	(976,554)	(21,099)	1,654	(38,603)
Balance (in shares) at Dec. 31, 2020	14,333,101
Balance at Dec. 31, 2020	$ 143	958,584	(1,011,516)	(19,913)	1,612	(71,090)
Net loss	0	0	(7,163)	0	(91)	(7,254)
Translation adjustment	0	0	0	338	(137)	201
Dividend payment to noncontrolling interest	0	0	0	0	(307)	(307)
Stock-based compensation expense	$ 0	286	0	0	0	286
Vesting of restricted stock units/awards (in shares)	24,365
Vesting of restricted stock units/awards	$ 1	(1)	0	0	0	0
Vested restricted stock cancelled for employee minimum income taxes (in shares)	(3,280)
Vested restricted stock cancelled for employee minimum income taxes	$ (1)	(8)	0	0	0	(9)
Public equity offering (in shares)	2,990,001
Public equity offering	$ 30	9,772	0	0	0	9,802
Balance (in shares) at Mar. 31, 2021	17,344,187
Balance at Mar. 31, 2021	$ 173	$ 968,633	$ (1,018,679)	$ (19,575)	$ 1,077	$ (68,371)