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Property and Equipment (Tables) | 12 Months Ended
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Dec. 31, 2018
Property, Plant and Equipment [Abstract] |
Schedule of property and equipment | Property and equipment consisted of the following at December 31:
|  | Range of useful lives |  | 2018 |  | 2017
Computer equipment |  | 3 – 5 years |  | $ | 1,148,140 |  | $ | 1,074,172
Office equipment |  | 3 – 15 years |  | 809,153 |  | 457,945
Furniture and fixtures |  | 5 – 15 years |  | 639,267 |  | 633,577
Leasehold improvements |  | 3 – 15 years, or remaining lease term |  | 1,299,363 |  | 1,274,660
Total property and equipment, gross |  |  |  | 3,895,923 |  | 3,440,354
Less: accumulated depreciation and amortization |  |  |  | (3,124,710) |  | (2,911,472)
Total property and equipment, net |  |  |  | $ | 771,213 |  | $ | 528,882
Schedule of depreciation expense | Depreciation expense was as follows for the years ended December 31:
|  | 2017 |  | 2016 |  | 2015
Depreciation expense |  | $ | 213,237 |  | $ | 211,532 |  | $ | 202,868

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- Definition Tabular disclosure of physical assets used in the normal conduct of business and not intended for resale. Includes, but is not limited to, balances by class of assets, depreciation and depletion expense and method used, including composite depreciation, and accumulated deprecation. + 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(13)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229 + Details
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