Note 3 - Revenue Disclosures - Revenue Related to Performance Obligations (Details) $ in Thousands |
Mar. 31, 2019
USD ($)
|
|---|---|
| Revenue expected to be recognized | $ 14,333 |
| X | ||||||||||
- Definition Amount of transaction price allocated to performance obligation that has not been recognized as revenue. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|