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Note 15 - Income Taxes - Reconciliation of the Amount of Income Taxes Computed at the Federal Statutory Rate to the Amount Reflected in Consolidated Statements of Operations (Details) - USD ($)
$ in Thousands
12 Months Ended
Mar. 31, 2020
Mar. 31, 2019
Mar. 31, 2018
Tax provision at federal statutory income tax rate $ (114) $ 752 $ (282)
Stock based compensation (13) 6 (11)
Decrease (increase) in valuation allowance 159 (1,015) 1,565
State income taxes benefit (expense), net of federal income tax effect (2) 264 (36)
State rate adjustment (32) (30) 3
AMT Credit 3 4 112
Tax Cuts and Jobs Act (1,244)
Other, net (10) 2 3
Income tax (expense) benefit $ (9) $ (17) $ 110