Note 5 - Accrued Expenses - Components of Accrued Expenses (Details) - USD ($) $ in Thousands	Mar. 31, 2018	Mar. 31, 2017
Wages, commissions, bonus and profit sharing	$ 707	$ 793
Rent and utilities	69	69
Other accrued expenses	116	151
Total accrued expenses	$ 892	$ 1,013