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Significant Balance Sheet Components (Tables) | 12 Months Ended
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Dec. 31, 2020
Significant Balance Sheet Components [Abstract] |
Schedule of Inventory | Inventory consisted of the following:
|  | December 31 |
|  | 2020 |  |  | 2019 |
Devices - for resale |  | $ | 7,792 |  |  | $ | 13,559 |
Raw materials |  |  | 2,590 |  |  |  | 4,522 |
Accessories |  |  | 962 |  |  |  | 1,450 |
|  | $ | 11,344 |  |  | $ | 19,531 |
Schedule of Prepaids and Other Current Assets | Prepaids and other current assets consisted of the following:
|  | December 31 |
|  | 2020 |  |  | 2019 |
Deposits for manufacturing inventory |  | $ | 1,133 |  |  | $ | 897 |
Prepaid taxes |  |  | 641 |  |  |  | 1,031 |
Refundable value added taxes |  |  | 509 |  |  |  | 1,376 |
Prepaid – NRE |  |  | 2,629 |  |  |  | — |
Prepaid licenses and royalties |  |  | 728 |  |  |  | 761 |
Director and officer insurance |  |  | 862 |  |  |  | 604 |
Prepaid parts (direct buy) |  |  | 167 |  |  |  | 536 |
Other |  |  | 1,076 |  |  |  | 1,225 |
|  | $ | 7,481 |  |  | $ | 6,430 |
Schedule of Property and Equipment | Property and equipment consisted of the following:
|  | December 31 |
|  | 2020 |  |  | 2019 |
Computer equipment |  | $ | 4,858 |  |  | $ | 5,087 |
Software |  |  | 981 |  |  |  | 981 |
Furniture, fixtures, and office equipment |  |  | 175 |  |  |  | 175 |
Leasehold Improvements |  |  | 179 |  |  |  | 179 |
|  |  | 6,193 |  |  |  | 6,422 |
Less: accumulated depreciation and amortization |  |  | (5,350 | ) |  |  | (4,980 | )
|  | $ | 843 |  |  | $ | 1,442 |
Schedule of Accrued Expenses | Accrued Expenses consisted of the following:
|  | December 31 |
|  | 2020 |  |  | 2019 |
Customer allowances |  | $ | 3,042 |  |  | $ | 2,647 |
Employee-related liabilities |  |  | 2,273 |  |  |  | 1,873 |
Warranties |  |  | 1,530 |  |  |  | 1,154 |
Accrual for goods received not invoiced |  |  | 1,942 |  |  |  | 1,047 |
Contractual obligations |  |  | 849 |  |  |  | 1,230 |
Royalties |  |  | 655 |  |  |  | 657 |
Contractors |  |  | 55 |  |  |  | 285 |
Research and development |  |  | 61 |  |  |  | 271 |
Shipping |  |  | 170 |  |  |  | 120 |
Interest |  |  | 11 |  |  |  | 33 |
Legal |  |  | 320 |  |  |  | 97 |
Other |  |  | 528 |  |  |  | 851 |
|  | $ | 11,436 |  |  | $ | 10,265 |
Schedule of Warranty Liability Included in Accrued Expenses on Consolidated Balance Sheet | The table below sets forth the activity in the warranty liability account, which is included in accrued expenses on the Consolidated Balance Sheets for the years ended December 31, 2020 and 2019:
Balance, January 1, 2020 |  | $ | 1,154 |
Additions |  |  | 2,088 |
Cost of warranty claims |  |  | (1,712 | )
Balance, December 31, 2020 |  | $ | 1,530 |
Balance, January 1, 2019 |  | $ | 1,103 |
Additions |  |  | 1,157 |
Cost of warranty claims |  |  | (1,106 | )
Balance, December 31, 2019 |  | $ | 1,154 |

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