Revenues - Narrative (Details) |
6 Months Ended |
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Jun. 30, 2018
USD ($)
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| Revenue from Contract with Customer [Abstract] | |
| Increase in deferred revenue balance | $ 55,163 |
| Deferred revenue | 240,037 |
| Payments received in advance of satisfying performance obligations | 1,481,644 |
| Deferred revenue, revenue recognized in period | $ 1,426,481 |
| X | ||||||||||
- Definition Contract With Customer, Liability, Increase From Cash Receipts No definition available.
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| X | ||||||||||
- Definition Amount of obligation to transfer good or service to customer for which consideration has been received or is receivable. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Amount of revenue recognized that was previously included in balance of obligation to transfer good or service to customer for which consideration from customer has been received or is due. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Amount of increase (decrease) in obligation to transfer good or service to customer for which consideration has been received or is receivable. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- References No definition available.
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