Note 16 - Fair Value Measurements - Contingent Consideration From Business Acquisition (Details) - USD ($) $ in Thousands |
12 Months Ended | |
|---|---|---|
Mar. 31, 2017 |
Mar. 31, 2016 |
|
| Amount related to Infitrak Acquisition | $ 9,271 | |
| Payments/accruals | (9,152) | |
| Foreign exchange rate impact – included in other comprehensive loss | (43) | (319) |
| Business Combination, Contingent Consideration [Member] | ||
| Opening balance | 9,037 | |
| Fair value adjustment – expense | 158 | 85 |
| Ending Balance | $ 9,037 | |