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Bank Financing Arrangements (Tables)
3 Months Ended
Mar. 31, 2020
Debt Disclosure [Abstract]  
Term loan and bank credit line balances

Amounts outstanding under the term loan and bank credit facilities at March 31, 2020 are as follows:

 

   March 31, 2020
Long-term portion of term loan   —   
Current-portion of term loan   208,333 
Term loan  $208,333

 

 

   March 31, 2020
Lines of credit -domestic line   1,635,601 
Lines of credit -EXIM line   303,891 
Total lines of credit  $1,939,492