Note 7 - Accrued Expenses - Components of Accrued Expenses (Details) - USD ($) $ in Thousands	Mar. 31, 2020	Mar. 31, 2019
Wages, commissions, bonus and profit sharing	$ 295	$ 145
Vacation	301	338
Rent, interest and legal	76	235
Other accrued expenses	177	274
Total accrued expenses	$ 849	$ 992