XML 46 R36.htm IDEA: XBRL DOCUMENT v3.20.2
At June 30, 2020 and December 31, 2019, the fair values of cash, accounts receivable, accounts payable and accrued expenses approximated their carrying values because of the short-term nature of these instruments. (Details) - USD ($)
Jun. 30, 2020
Dec. 31, 2019
Reported Value Measurement [Member]    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Short-term borrowings and long-term debt $ 34,545,192 $ 30,987,918
Estimate of Fair Value Measurement [Member]    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Short-term borrowings and long-term debt $ 34,545,192 $ 30,987,918