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Summary of Significant Accounting Policies (Tables) | 12 Months Ended
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Dec. 31, 2022
Summary of Significant Accounting Policies |
Schedule of accounts receivable net | Accounts receivable, net consisted of the following (in thousands):
​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | December 31,
​ | ​ | 2022 | ​ | 2021
Trade accounts receivable | ​ | $ | 10,498 | ​ | $ | 8,140
Unbilled accounts receivable | ​ | ​ | 551 | ​ | ​ | 450
Allowance for product returns and price adjustments | ​ | ​ | (384) | ​ | ​ | (397)
Accounts receivable, net | ​ | $ | 10,665 | ​ | $ | 8,193
​
Schedule of revenue and accounts receivable for each significant customer | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | Revenue | ​ | Accounts Receivable |
​ | Year Ended December 31, | ​ | December 31, |
Customers | 2022 |  | 2021 |  |  | 2022 |  | 2021 |
Customer A | 18 | % | 22 | % | ​ | 30 | % | 54 | %
Customer B | 15 | % | * | % | ​ | 18 | % | * | %
Customer C | 11 | % | * | % | ​ | * | % | * | %
* | Less than 10%
Schedule of fair value of financial assets and liabilities measured on recurring basis | The following tables sets forth the fair value of the Company’s financial assets and liabilities measured at fair value on a recurring basis (in thousands):
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | December 31, 2022
​ |  | Level 1 |  | Level 2 |  | Level 3 |  | Total
Assets: | ​ | ​ | ​ |  | ​ | ​ |  | ​ | ​ |  | ​ | ​
Money market funds | ​ | $ | 26,812 |  | $ | — |  | $ | — |  | $ | 26,812
Total assets measured at fair value | ​ | $ | 26,812 |  | $ | — |  | $ | — |  | $ | 26,812
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Liabilities: | ​ | ​ | ​ |  | ​ | ​ |  | ​ | ​ |  | ​ | ​
Warrant liability | ​ | $ | — |  | $ | — |  | $ | 27 |  | $ | 27
Total liabilities measured at fair value | ​ | $ | — |  | $ | — |  | $ | 27 |  | $ | 27
​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | December 31, 2021
​ |  | Level 1 |  | Level 2 |  | Level 3 |  | Total
Assets: | ​ | ​ | ​ |  | ​ | ​ |  | ​ | ​ |  | ​ | ​
Money market funds | ​ | $ | 21,508 |  | $ | — |  | $ | — |  | $ | 21,508
Total assets measured at fair value | ​ | $ | 21,508 |  | $ | — |  | $ | — |  | $ | 21,508
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Liabilities: | ​ | ​ | ​ |  | ​ | ​ |  | ​ | ​ |  | ​ | ​
Warrant liability | ​ | $ | — |  | $ | — |  | $ | 50 |  | $ | 50
Total liabilities measured at fair value | ​ | $ | — |  | $ | — |  | $ | 50 |  | $ | 50
​
Schedule of estimated useful lives of the assets | ​
​ | ​ | ​
​ | Useful Lives
Computer and network equipment | ​ | 2 years
Manufacturing equipment | ​ | 2 – 7 years
Furniture and fixtures | ​ | 7 years
Software | ​ | 3 years
Leasehold improvements | ​ | Lesser of useful life of the asset or the remaining lease term
​

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- Definition Tabular disclosure of assets and liabilities, including [financial] instruments measured at fair value that are classified in stockholders' equity, if any, that are measured at fair value on a recurring basis. The disclosures contemplated herein include the fair value measurements at the reporting date by the level within the fair value hierarchy in which the fair value measurements in their entirety fall, segregating fair value measurements using quoted prices in active markets for identical assets (Level 1), significant other observable inputs (Level 2), and significant unobservable inputs (Level 3). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (b) -URI https://asc.fasb.org/extlink&oid=126976982&loc=d3e19207-110258 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=126976982&loc=d3e19207-110258 + Details
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