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Other Current Liabilities | 12 Months Ended
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Dec. 31, 2018
Other Liabilities Disclosure [Abstract] |
Other Current Liabilities | (8) Other Current Liabilities Other current liabilities are comprised of the following:
|  | December 31, |
|  | 2017 |  |  | 2018 |
Accrued payroll expenses |  | $ | 7,032,508 |  |  | $ | 7,120,055 |
Deferred revenue |  |  | 1,893,508 |  |  |  | 1,868,223 |
Dividends payable |  |  | 1,286,381 |  |  |  | 1,367,761 |
Trade sales payable |  |  | 1,276,170 |  |  |  | 1,250,454 |
Deferred rent |  |  | 1,349,515 |  |  |  | 1,561,486 |
Other accrued expenses |  |  | 5,961,113 |  |  |  | 6,013,129 |
|  | $ | 18,799,195 |  |  | $ | 19,181,108 |

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- Definition The entire disclosure for other liabilities. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.20,24) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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