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Long-term Debt (Tables) | 12 Months Ended
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Dec. 31, 2017
Debt Disclosure [Abstract] |
Schedule of Future Minimum Payments of Notes Payable | Future minimum principal payments under long-term debt as of December 31, 2017 are as follows:
Years Ending December 31, |  | Principal Payments |
2018 |  | $ | 1,665,000 |
2019 |  |  | 1,808,000 |
2020 |  |  | 1,650,000 |
Total |  | $ | 5,123,000 |

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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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