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Summary of Significant Accounting Policies (Details Narrative) - USD ($)				1 Months Ended	3 Months Ended		9 Months Ended
	May 15, 2018	May 15, 2017	Jan. 06, 2017	Nov. 28, 2016	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017	Dec. 16, 2016
Depreciation expense					$ 188,000	$ 220,000	$ 555,000	$ 653,000
Stock-based awards granted, estimated life							1 year
Stock-based awards granted, expected volatility							66.00%
Stock-based awards granted, dividend yield							0.00%
Stock-based awards granted, risk-free interest rate							1.83%
Stock-based compensation expense					$ 128,000	$ 43,000	$ 277,000	317,000
Shares excluded from the computation of earnings per share					305,000	501,000	265,000
Special dividend per share				$ .70
Declared dividends									$ 8,233,000
Dividends paid	$ 14,000	$ 14,000	$ 8,163,000
Stock And Incentive Plan [Member]
Restricted stock units (in shares)					297,515
Stock And Incentive Plan [Member] | Exercise Price [Member]
Weighted average exercise price (in dollars per share)					$ 1.77
Vesting period					3 years
Stock And Incentive Plan [Member] | Exercise Price [Member]
Weighted average exercise price (in dollars per share)					$ 1.95
Vesting period					4 years
Omnibus Stock And Incentive Plan 2013 [Member]
Stock-based compensation expense for the modifications								$ 79,000
Stock option awards granted							119,515
Stock-based awards granted, estimated life							6 years 6 months
Stock-based awards granted, expected volatility							51.21%
Stock-based awards granted, dividend yield							0.00%
Stock-based awards granted, risk-free interest rate							2.80%
Stock option awards exercised					900	0	900	0
Omnibus Stock And Incentive Plan 2013 [Member] | Restricted Stock [Member]
Restricted stock units (in shares)								60,000
Weighted average exercise price (in dollars per share)								$ 1.09
Vesting period								2 years
Omnibus Stock And Incentive Plan 2013 [Member] | Restricted Stock Units R S U [Member]
Restricted stock units (in shares)								143,424
Weighted average exercise price (in dollars per share)								$ 1.13
Vesting period								2 years

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Represents the expense recognized during the period arising from equity-based compensation arrangements (for example, shares of stock, unit, stock options or other equity instruments) with employees, directors and certain consultants qualifying for treatment as employees.

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