XML 38 R27.htm IDEA: XBRL DOCUMENT v3.10.0.1
Note 2 - Notes Payable and Long-term Debt - Summary of Credit Agreement and Line of Credit Note (Details) - USD ($)
Sep. 30, 2018
Dec. 31, 2017
Long-term debt $ 8,354,669 $ 7,371,730
Long-term debt 8,354,669 7,371,730
Less current maturities 174,056 614,311
LONG-TERM DEBT, net of current maturities 8,180,613 6,757,419
Promissory Note with BOKF [Member]    
Long-term debt 8,354,669 7,371,730
Long-term debt 8,354,669 7,371,730
Promissory Note and Business Loan Agreement with BOKF [Member]    
Long-term debt
Long-term debt