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Note 5 - Notes Payable and Long-term Debt (Tables) | 12 Months Ended
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Dec. 31, 2017
Notes Tables |
Schedule of Debt [Table Text Block] |
|  | 201 7 |  |  | 201 6 |
Business Loan Agreement with BOKF – collateralized by real estate; payable as follows: |  |  |  |  |  |  |  |
Line of Credit Note, as amended, in the maximum principal amount of $15,000,000 with features as more fully described above – interest due monthly at LIBOR plus 1.85%; matures September 18, 2022 |  | $ | 7,371,730 |  |  | $ | 7,371,730 |
Line of Credit Note, as amended, in the maximum principal amount of $6,000,000 with revolving features as more fully described above – interest due monthly at LIBOR plus 1.85%; matures September 18, 2019 |  |  | - |  |  |  | - |
|  | $ | 7,371,730 |  |  | $ | 7,371,730 |
Less current maturities |  |  | 614,311 |  |  |  | 614,311 |
|  | $ | 6,757,419 |  |  | $ | 6,757,419 |
Schedule of Maturities of Long-term Debt [Table Text Block] |
201 8 |  | $ | 614,311 |
201 9 |  |  | 1,842,932 |
20 20 |  |  | 1,842,932 |
202 1 |  |  | 1,842,932 |
202 2 |  |  | 1,228,623 |
|  | $ | 7,371,730 |

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- Definition Tabular disclosure of information pertaining to short-term and long-debt instruments or arrangements, including but not limited to identification of terms, features, collateral requirements and other information necessary to a fair presentation. + References No definition available. + Details
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- Definition Tabular disclosure of the combined aggregate amount of maturities and sinking fund requirements for all long-term borrowings for each of the five years following the date of the latest balance sheet date presented. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6802200&loc=d3e1835-112601 + Details
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- References No definition available. + Details
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