Annual report pursuant to Section 13 and 15(d)

CONSOLIDATED STATEMENTS OF CASH FLOWS (Parentheticals)

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CONSOLIDATED STATEMENTS OF CASH FLOWS (Parentheticals) - USD ($)
$ in Thousands
 12 Months Ended
Mar. 31, 2021
Mar. 31, 2020
Mar. 31, 2019
Non-cash transactions      
Transfer of inventory to property and equipment $ 429 $ 400 $ 408
Payment of litigation settlements with insurance proceeds 0 8,950 0
Accounts Payable      
Non-cash transactions      
Purchases of property and equipment 258 368 105
Accrued Liabilities      
Non-cash transactions      
Purchases of property and equipment $ 1,212 $ 0 $ 0