Quarterly report pursuant to Section 13 or 15(d)

General (Narrative) (Details)

v3.21.1
General (Narrative) (Details) - Paycheck Protection Program Loan [Member] - USD ($)
$ in Thousands
Nov. 03, 2020
May 30, 2020
Line of Credit Facility [Line Items]    
Principal loan amount   $ 6,900
Yankee Equipment Systems, Inc [Member]    
Line of Credit Facility [Line Items]    
Loan obligation $ 916