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Note 5 - Leases - Lease Assets and Liabilities (Details)
$ in Thousands
Sep. 30, 2019
USD ($)
Other Noncurrent Assets [Member]  
Operating lease ROU asset $ 1,205
Other Accrued Expenses [Member]  
Current operating lease liabilities 686
Other Noncurrent Liabilities [Member]  
Noncurrent operating lease liabilities $ 441