CONDENSED CONSOLIDATED STATEMENT OF STOCKHOLDERS' EQUITY - USD ($) $ in Thousands	Total	Common Stock [Member]	Additional Paid-in Capital [Member]	Treasury Stock [Member]	AOCI Attributable to Parent [Member]	Retained Earnings [Member]
BALANCE at Dec. 31, 2018	$ 161,149	$ 102	$ 194,116	$ (58,711)	$ (4,883)	$ 30,525
BALANCE, shares at Dec. 31, 2018		8,904,902,000
Net Income (Loss) Attributable to Parent	392
Foreign currency translation adjustments	831
Other Comprehensive Income (Loss), Net of Tax	831
Issuance of restricted stock, net of forfeitures	0	$ 2	(2)
Issuance of restricted stock, net of forfeitures, shares		158,046,000
Dividends declared	(6,380)					(6,380)
APIC, Share-based Payment Arrangement, Increase for Cost Recognition	3,252		3,252
Adjustments to Additional Paid in Capital, Other	232		232
Purchases of treasury stock, shares		(25,047,000)
Purchases of treasury stock	(981)			(981)
Restricted stock returned for payment of taxes	(2,385)			(2,385)
Restricted stock returned for payment of taxes, shares		62,036,000
BALANCE at Mar. 31, 2019	156,110	$ 104	197,598	(62,077)	(4,052)	24,537
BALANCE, shares at Mar. 31, 2019		8,975,865,000
BALANCE at Dec. 31, 2019	$ 148,287	$ 103	203,441	(63,281)	(2,943)	10,967
BALANCE, shares at Dec. 31, 2019	8,904,902	8,881,086
Net Income (Loss) Attributable to Parent	$ 1,102
Foreign currency translation adjustments	(3,242)
Other Comprehensive Income (Loss), Net of Tax	(3,242)
Issuance of restricted stock, net of forfeitures	0	$ 3	(3)
Issuance of restricted stock, net of forfeitures, shares		241,533
Dividends declared	(3,903)					(3,903)
APIC, Share-based Payment Arrangement, Increase for Cost Recognition	2,616		2,616
Adjustments to Additional Paid in Capital, Other	213		213
Purchases of treasury stock, shares		(272,059)
Purchases of treasury stock	(4,867)			(4,867)
Restricted stock returned for payment of taxes	(1,120)			(1,120)
Purchase of treasury stock under employee stock plans (in shares)		(27,474)
Purchase of treasury stock under employee stock plans	(697)			(697)
Restricted stock returned for payment of taxes, shares		43,045
BALANCE at Mar. 31, 2020	$ 138,389	$ 106	$ 206,267	$ (69,965)	$ (6,185)	$ 8,166
BALANCE, shares at Mar. 31, 2020	8,906,152	8,780,041