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Platform Development - Summary of Platform Development Cost Activity (Details) - USD ($) | 3 Months Ended | 6 Months Ended | 9 Months Ended | 12 Months Ended
--- | --- | --- | --- | ---
Mar. 31, 2019 | Mar. 31, 2018 | Jun. 30, 2019 | Jun. 30, 2018 | Sep. 30, 2019 | Sep. 30, 2018 | Dec. 31, 2019 | Dec. 31, 2018
Platform development, beginning balance | $ 68,830 |  | $ 68,830 |  | $ 68,830 |  | $ 68,830 |
Costs capitalized during the period: Payroll-based costs | 434,802 |  | 980,257 |  | 1,744,340 |  |  | $ 2,086,963
Total capitalized payroll-based costs |  |  |  |  |  |  | 315,661 | 14,147
Stock-based compensation | 1,319,627 | $ 1,350,892 | 3,959,925 | $ 2,191,132 | 6,951,074 | $ 3,416,110 | 10,364,787 | 4,340,824
Dispositions |  |  |  |  |  |  |  | (317,807)
Platform development, ending balance | 61,506 |  | 73,053 |  | 739,339 |  | 661,277 | 68,830
Platform Development [Member] |  |  |  |  |  |  |  |
Platform development, beginning balance | $ 4,707,956 | $ 3,145,308 | $ 4,707,956 | $ 3,145,308 | $ 4,707,956 | $ 3,145,308 | 4,707,956 | 3,145,308
Costs capitalized during the period, Additions related HubPages acquisition |  |  |  |  |  |  |  | 69,052
Costs capitalized during the period: Payroll-based costs |  |  |  |  |  |  | 2,537,402 | 2,086,963
Total capitalized payroll-based costs |  |  |  |  |  |  | 9,371,302 | 5,301,323
Stock-based compensation |  |  |  |  |  |  | 1,307,390 | 1,850,384
Dispositions |  |  |  |  |  |  |  | (317,807)
Platform development, ending balance |  |  |  |  |  |  | $ 5,892,719 | $ 4,707,956

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