XML 56 R44.htm IDEA: XBRL DOCUMENT v3.20.2
Long-Term Debt (Details) - Line of Credit [Member] - USD ($)
Sep. 16, 2016
Mar. 31, 2020
Long-Term Debt (Details) [Line Items]    
Line of Credit Facility, Maximum Borrowing Capacity $ 4,000,000  
Debt Instrument, Description of Variable Rate Basis 3-month LIBOR interest rate plus 4.75%  
Debt Instrument, Basis Spread on Variable Rate 4.75%  
Debt Instrument, Interest Rate, Effective Percentage   6.51%
Long-term Line of Credit   $ 977,000