Quarterly report pursuant to Section 13 or 15(d)

Basis of Presentation (Details Textual)

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Basis of Presentation (Details Textual) - USD ($)
$ in Thousands
Dec. 31, 2019
Apr. 01, 2019
Mar. 31, 2019
New Accounting Pronouncements or Change in Accounting Principle [Line Items]      
Loss Contingency Accrual     $ 300
Right-of-use assets on operating leases, net $ 810 $ 1,300  
Total lease liabilities $ 830 $ 1,200  
Discontinued Operations, Disposed of by Sale [Member]      
New Accounting Pronouncements or Change in Accounting Principle [Line Items]      
Loss Contingency Accrual [1]     $ 300
[1] (1) Includes a $0.3 million accrual for loss contingencies related to discontinued operations. See Note 11.