Summary of Significant Accounting Policies (Details) - USD ($) |
3 Months Ended | 6 Months Ended | 12 Months Ended | ||
|---|---|---|---|---|---|
Jun. 30, 2021 |
Jun. 30, 2020 |
Jun. 30, 2021 |
Jun. 30, 2020 |
Dec. 31, 2020 |
|
| Summary of Significant Accounting Policies (Details) [Line Items] | |||||
| Accumulated deficit | $ (229,300,000) | $ (229,300,000) | |||
| Incurred losses from operations | 4,600,000 | $ 3,800,000 | 11,800,000 | $ 9,300,000 | |
| Reimbursement of legal fees and other costs | 48,000 | 48,000 | |||
| Restricted cash in connection with the patent and utility model infringement proceedings | 138,000 | 138,000 | $ 191,000 | ||
| Long-term restricted cash for a lease security deposit | $ 102,000 | $ 102,000 | |||
| Short-term leases term, description | Short-term leases are leases that have a term of 12 months or less and do not include an option to purchase the underlying asset that the Company is reasonably certain to exercise. The Company recognizes the lease payments for short-term leases on a straight-line basis over the lease term. | ||||
| NEW JERSEY | |||||
| Summary of Significant Accounting Policies (Details) [Line Items] | |||||
| Net of expenses | $ 1,300,000 | ||||
| NOL selling | 1,300,000 | ||||
| NOL tax benefits | $ 1,300,000 | ||||