Note 8 - Borrowing and Installment Payment Arrangements - Aggregate Debt Maturities (Details) - USD ($) $ in Thousands		Mar. 31, 2016	Mar. 31, 2015
2017		$ 1,804
2018		81,120
2019		1,120
2020		1,133
2021		1,134
Thereafter		1,050
Total		87,361
Less: current portion		1,804	$ 45,790
Long-term Debt, Gross	[1]	$ 85,557

[1] Includes approximately $304,000 of unamortized debt issuance cost.