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v3.19.2

Summary of Significant Accounting Policies (Tables) | 6 Months Ended
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Jun. 30, 2019
Accounting Policies [Abstract] |
Schedule of Changes in Contract Assets and Liabilities | The following table present changes in our contract assets and liabilities during the six months ended June 30, 2019 and 2018:
|  | Balance at Beginning of Period |  |  | Revenue Recognized in Advance of Billings |  |  | Billings |  |  | Balance at End of Period |
Six months ended June 30, 2019 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Contract assets: Unbilled receivables |  | $ | 65,118 |  |  | $ | 98,154 |  |  | $ | (117,965 | ) |  | $ | 45,307 |
Six months ended June 30, 2018 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Contract assets: Unbilled receivables |  | $ | 89,847 |  |  | $ | 147,126 |  |  | $ | (168,436 | ) |  | $ | 68,537 |
|  | Balance at Beginning of Period |  |  | Billings |  |  | Recognized Revenue |  |  | Balance at End of Period |
Six months ended June 30, 2019 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Contract liabilities: Deferred revenue |  | $ | 723,619 |  |  | $ | 1,355,267 |  |  | $ | (1,490,916 | ) |  | $ | 587,970 |
Six months ended June 30, 2018 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Contract liabilities: Deferred revenue |  | $ | 708,130 |  |  | $ | 1,294,906 |  |  | $ | (1,395,045 | ) |  | $ | 607,991 |

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