Note 16 - Fair Value Measurements - Fair Value on a Recurring Basis (Details) - Contingent Consideration [Member] - USD ($) $ in Thousands |
Mar. 31, 2017 |
Mar. 31, 2016 |
|---|---|---|
| Contingent Consideration | $ 9,037 | |
| Fair Value, Inputs, Level 1 [Member] | ||
| Contingent Consideration | ||
| Fair Value, Inputs, Level 2 [Member] | ||
| Contingent Consideration | ||
| Fair Value, Inputs, Level 3 [Member] | ||
| Contingent Consideration | $ 9,037 |