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Shareholders' Equity and Accumulated Other Comprehensive Income (Details) - USD ($) $ in Thousands	3 Months Ended				9 Months Ended
	Sep. 30, 2018	Jun. 30, 2018	Mar. 31, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Common Stock
Beginning balance, value	$ 583	$ 584	$ 584		$ 584
Beginning balance, shares	58,289,366	58,381,952	58,434,566		58,434,566
Repurchase of shares for cancellation, shares	(28,000)	(92,586)	(52,614)
Ending balance, value	$ 583	$ 583	$ 584		$ 583
Ending balance, shares	58,261,366	58,289,366	58,381,952		58,261,366
Additional Paid-in Capital
Beginning balance, value	$ 69,690	$ 69,296	$ 69,312		$ 69,312
Ending balance, value	69,748	69,690	69,296		69,748
Retained Earnings / Accumulated Deficit
Beginning balance, value	(41,384)	(40,771)	(39,767)		(39,767)
Net loss	(723)	(613)	(1,004)
Ending balance, value	(42,107)	(41,384)	(40,771)		(42,107)
Accumulated Other Comprehensive Income
Beginning balance, value
Ending balance, value
Beginning balance, value	28,889	29,109	30,129		30,129
Stock option expense	68	432	10
Repurchase of shares for cancellation, value	(10)	(39)	(26)
Net loss	(723)	(613)	(1,004)	$ (49)	2,340	$ 428
Ending balance, value	$ 28,224	$ 28,889	$ 29,109		$ 28,224

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Amount of increase to additional paid-in capital (APIC) from recognition of equity-based compensation for stock options.

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