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Note 3 - Revenue Recognition - Changes in Contract Assets and Liabilities (Details)
$ in Thousands
3 Months Ended
Jun. 30, 2018
USD ($)
Contract Assets, Balance $ 189
Contract Assets, Additions 466
Contract Assets, Deductions 12
Contract Assets, Balance 643
Contract Liabilities: Deferred Revenue, Balance 806
Contract Liabilities: Deferred Revenue, Additions (248)
Contract Liabilities: Deferred Revenue, Deductions 787
Contract Liabilities: Deferred Revenue, Balance $ 257