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Bank Financing Arrangements (Details Narrative)
3 Months Ended 9 Months Ended
Sep. 30, 2020
USD ($)
Sep. 30, 2020
USD ($)
Term Loan for Stock Repurchase    
Amount repaid   $ 333,333
Interest expense $ 229 6,152
Domestic Line of Credit    
Amount borrowed   4,865,000
Amount repaid   6,069,915
Interest expense 1,077 17,909
Accrued interest payable 373 373
Remaining borrowing capacity 1,314,575 1,314,575
Foreign Line of Credit    
Amount borrowed   765,000
Amount repaid   972,534
Interest expense 0 2,552
Remaining borrowing capacity $ 328,742 $ 328,742