Revenue (Details Textual) - USD ($) |
6 Months Ended | 12 Months Ended |
|---|---|---|
Jun. 30, 2021 |
Dec. 31, 2020 |
|
| Revenue from Contract with Customer [Abstract] | ||
| Unsatisfied performance obligations | $ 5.7 | |
| Revenue recognized | 2,900,000 | $ 8,900,000 |
| Revenue recognized | 3,026,000 | 400,000 |
| Deferred revenue | $ 1,180,000 | $ 844,000 |
| X | ||||||||||
- Definition Revenue recognized. No definition available.
|
| X | ||||||||||
- References No definition available.
|
| X | ||||||||||
- Definition Amount of deferred income and obligation to transfer product and service to customer for which consideration has been received or is receivable. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Amount of revenue recognized that was previously reported as deferred or unearned revenue. No definition available.
|
| X | ||||||||||
- References No definition available.
|