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Income Taxes-Effective Income Tax Rate Reconciliation (Details) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Mar. 31, 2019	Dec. 31, 2018	Sep. 30, 2018	Jun. 30, 2018	Mar. 31, 2018	Dec. 31, 2017	Sep. 30, 2017	Jun. 30, 2017	Mar. 31, 2019	Mar. 31, 2018
Effective Income Tax Rate Reconciliation, Amount
Statutory Federal income tax expense (benefit), Amount									$ (1,218)	$ 1,638
State and local income tax, net of Federal tax benefit, Amount									105	92
Impact of income tax rate changes, Amount									0	3,283
Credit and NOL adjustments, Amount									0	(2,148)
Change in Valuation Allowance, Amount									1,332	(3,061)
Other, Amount									(86)	163
Income tax expense (benefit)	$ 33	$ 34	$ 66	$ 0	$ (124)	$ 31	$ 30	$ 30	$ 133	$ (33)
Effective Income Tax Rate Reconciliation, Percent
Statutory Federal income tax expense (benefit), Percent									(21.00%)	(30.80%)
State and local income tax, net of Federal tax benefit, Percent									1.80%	1.70%
Impact of income tax rate changes, Percent									0.00%	61.70%
Credit and NOL adjustments, Percent									0.00%	(40.40%)
Change in Valuation Allowance, Percent									23.00%	(57.50%)
Other, Percent									(1.60%)	3.10%
Income tax expense (benefit), Percent									2.20%	(0.60%)

X

- Definition

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

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