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Note 3 - Business Combinations - Revenue and Expenses of Worthington (Details) - Worthington Aviation Parts, Inc [Member]
6 Months Ended
Sep. 30, 2018
USD ($)
Revenue $ 7,104,386
Cost of Sales 4,842,616
Operating Expenses 1,646,577
Operating Income 615,193
Non-operating Income 1,927,898
Net Income $ 2,543,091