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Note 14 - Leases - Operating Lease Assets and Liabilities (Details) - USD ($)
Dec. 31, 2019
Apr. 01, 2019
Mar. 31, 2019
Right-of-use asset $ 3,495,000 $ 3,795,000 $ 0
Lease liability, current portion 436,000 309,000 0
Lease liability, long term portion 3,128,000 3,512,000 $ 0
Total operating lease liabilities $ 3,564,000 $ 3,821,000  
Weighted-average remaining lease term (Year) 7 years 36 days 7 years 251 days  
Weighted-average discount rate 7.07% 7.06%