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Shareholders' Equity (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Common Stock
Beginning balance, shares			58,171,466	58,434,566
Beginning balance, value			$ 582	$ 584
Adjusted beginning balance, shares				58,434,566
Adjusted beginning balance, value				$ 584
Purchase of shares for cancellation, shares			(36,100)	(173,200)
Purchase of shares for cancellation, value			$ (1)	$ (1)
Ending balance, shares	58,135,366	58,261,366	58,135,366	58,261,366
Ending balance, value	$ 581	$ 583	$ 581	$ 583
Additional Paid-in Capital
Beginning balance, value			69,873	69,312
Adjusted beginning balance, value				69,312
Stock option expense			258	510
Purchase of shares for cancellation, value			(11)	(74)
Ending balance, value	70,120	69,748	70,120	69,748
Accumulated Deficit
Beginning balance, value			(43,365)	(40,343)
Cumulative-effect adjustment change in accounting principle				576
Adjusted beginning balance, value				(39,767)
Net loss			(2,923)	(2,340)
Ending balance, value	(46,288)	(42,107)	(46,288)	(42,107)
Accumulated Other Comprehensive Income
Beginning balance, value				576
Cumulative-effect adjustment change in accounting principle				(576)
Adjusted beginning balance, value				0
Ending balance, value		0		0
Beginning balance, value			27,090	30,129
Cumulative-effect adjustment change in accounting principle				0
Adjusted beginning balance, value				30,129
Stock option expense			258	510
Purchase of shares for cancellation, value			(12)	(75)
Net loss	(1,480)	(723)	(2,923)	(2,340)
Ending balance, value	$ 24,413	$ 28,224	$ 24,413	$ 28,224

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The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

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Number of shares of stock issued as of the balance sheet date, including shares that had been issued and were previously outstanding but which are now held in the treasury.

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