XML 67 R59.htm IDEA: XBRL DOCUMENT v3.20.1
Note 17 - Subsequent Events (Details Textual) - Subsequent Event [Member] - USD ($)
Apr. 27, 2020
Apr. 13, 2020
Proceeds from Paycheck Protection Program Under CARES Act $ 3,558,000  
Transition of Production from the Broadway Plant [Member]    
Proceeds from Sale of Real Estate, Total   $ 1,700,000
Gain (Loss) on Disposition of Property Plant Equipment, Total   $ 807,000