XML 52 R41.htm IDEA: XBRL DOCUMENT v3.20.2
Note 4 - Inventories (Details Textual) - GPT Acquisition [Member] - USD ($)
Jun. 30, 2020
Mar. 31, 2020
Inventory Step-up Cost   $ 8,066,000
Inventories [Member]    
Inventory Step-up Cost $ 0 $ 2,901