XML 74 R81.htm IDEA: XBRL DOCUMENT v3.20.1
Note 14 - Income Taxes (Details Textual) - USD ($)
$ in Thousands
12 Months Ended
Mar. 31, 2020
Mar. 31, 2019
Mar. 31, 2018
Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued, Total $ 19 $ 40 $ 24
Domestic Tax Authority [Member]      
Open Tax Year 2016 2017 2018 2019    
State and Local Jurisdiction [Member]      
Open Tax Year 2016 2017 2018 2019    
Foreign Tax Authority [Member]      
Open Tax Year 2015 2016 2017 2018 2019    
Operating Loss Carryforwards, Total $ 8,874    
Tax Credit Carryforward, Amount 15    
Foreign Tax Authority [Member] | Canada Revenue Agency [Member]      
Undistributed Earnings of Foreign Subsidiaries $ 12,900