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Stock Based Compensation (Details) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Dec. 31, 2019	Jun. 30, 2018
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares authorized					3,000,000
Weighted Average Grant Date Fair Value of Restricted Stock
Share-based Payment Arrangement, Shares Withheld for Tax Withholding Obligation			0	7,744
Stock Appreciation Rights (SARs) [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number					194,846	222,112
Weighted Average Grant Date Fair Value of Restricted Stock
Unvested balance at December 31, 2015, USD per share	$ 2.57		$ 2.57		$ 2.57	$ 2.57
Unvested balance at Period End, USD per share	$ 2.57		$ 2.57
Unrecognized compensation expense		$ 478,000		$ 478,000	$ 260,000
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Term			1 year 10 months
Share-based Payment Arrangement, Option, Exercise Price Range, Outstanding, Weighted Average Exercise Price					$ 10
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross			0
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value			$ 0.00
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period			0
Share-based Compensation Arrangements by Share-based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price			$ 0.00
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Exercise Price					$ 2.57
Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures in Period			(27,266)
Share-based Compensation Arrangement by Share-based Payment Award, Options, Nonvested Options Forfeited, Weighted Average Grant Date Fair Value			$ 2.57
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Number					84,300
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Remaining Contractual Term			3 years 10 months
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Intrinsic Value					$ 0
Stock Appreciation Rights (SARs) [Member] | Selling, General and Administrative Expenses [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Compensation costs	$ 31,000	103,000	$ 55,000	103,000
Restricted Stock [Member]
Restricted Stock Rollforward, Shares
Unvested balance at December 31, 2016			343,919
Granted			287,750
Vested			(87,344)
Forfeited			(8,385)
Unvested balance at Period End	535,940		535,940
Weighted Average Grant Date Fair Value of Restricted Stock
Unvested balance at December 31, 2015, USD per share	$ 6.54		$ 6.54		$ 6.54	$ 9.37
Granted, USD per share			4.62
Vested, USD per share			10.69
Forfeited, USD per share			13.72
Unvested balance at Period End, USD per share	$ 6.54		$ 6.54
Unrecognized compensation expense					$ 2,249,000		$ 2,736,000
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Term			2 years 7 months
Restricted Stock [Member] | Selling, General and Administrative Expenses [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Compensation costs	$ 357,000	$ 413,000	$ 649,000	$ 763,000

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Per share or unit weighted-average fair value of nonvested award under share-based payment arrangement. Excludes share and unit options.

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