Income Taxes (Details) - USD ($)		3 Months Ended	9 Months Ended
Jan. 28, 2016	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016	Dec. 31, 2016
Income Taxes
Federal income tax provision	$ 0
Effective tax rate		82.00%	39.00%	(13.00%)	9.00%
Unrecognized tax benefits		$ 100,000	$ 0	$ 100,000	$ 0	$ 100,000
Deferred:
Total		$ (839,000)	$ (1,770,000)	$ 776,000	$ (1,193,000)

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Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

+ References

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Amount of current and deferred federal income tax expense (benefit) attributable to income (loss) from continuing operations.

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Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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Amount of unrecognized tax benefits.

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