XML 19 R9.htm IDEA: XBRL DOCUMENT
v3.23.3

Selected Balance Sheet Information | 9 Months Ended
--- | ---
Sep. 30, 2023
Selected Balance Sheet Information [Abstract] |
Selected balance sheet information |
3. | Selected balance sheet information
Inventory consists of the following at: ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | September 30, |  | December 31,
(in thousands) | ​ | 2023 | ​ | 2022
Raw material | ​ | $ | 4,875 | ​ | $ | 2,390
Work-in-process | ​ |  | 1,173 | ​ |  | 1,033
Finished goods | ​ |  | 4,839 | ​ |  | 3,534
​ | ​ | $ | 10,887 | ​ | $ | 6,957
​ Property and equipment, net consists of the following at: ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | September 30, |  | December 31,
(in thousands) | ​ | 2023 | ​ | 2022
Office furniture and equipment | ​ | $ | 402 | ​ | $ | 350
Lab equipment | ​ |  | 2,685 | ​ |  | 2,684
Computer equipment and software | ​ |  | 772 | ​ |  | 618
Leasehold improvements | ​ |  | 98 | ​ |  | 95
Capital equipment in process | ​ |  | 425 | ​ |  | 231
​ | ​ |  | 4,382 | ​ |  | 3,978
Less: Accumulated depreciation and amortization | ​ |  | 2,659 | ​ |  | 2,280
​ | ​ | $ | 1,723 | ​ | $ | 1,698
​ Depreciation is determined using the straight-line method over the estimated useful lives of the respective assets, generally three to five years. Leasehold improvements are amortized on a straight-line basis over the shorter of their estimated useful lives or the term of the lease. Depreciation expense was $137,000 and $127,000 for the three months ended September 30, 2023 and 2022, respectively, and $393,000 and $284,000 for the nine months ended September 30, 2023 and 2022, respectively. ​ Accrued expenses consist of the following at: ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | September 30, |  | December 31,
(in thousands) | ​ | 2023 | ​ | 2022
Bonuses | ​ | $ | 2,366 | ​ | $ | 2,303
Paid time off | ​ |  | 1,212 | ​ |  | 960
Clinical trial and other professional fees | ​ | ​ | 892 | ​ | ​ | 1,733
Customer rebates | ​ | ​ | 382 | ​ | ​ | 256
Employee Stock Purchase Plan | ​ | ​ | 280 | ​ | ​ | —
Operating lease liability, current portion | ​ | ​ | 170 | ​ | ​ | 222
Taxes | ​ | ​ | 103 | ​ | ​ | 120
Other | ​ |  | 869 | ​ |  | 775
​ | ​ | $ | 6,274 | ​ | $ | 6,369
​

X
- References No definition available. + Details
Name: | us-gaap_BalanceSheetRelatedDisclosuresAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The entire disclosure for supplemental balance sheet disclosures, including descriptions and amounts for assets, liabilities, and equity. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 210 -Name Accounting Standards Codification -Publisher FASB -URI https://asc.fasb.org//210/tableOfContent + Details
Name: | us-gaap_SupplementalBalanceSheetDisclosuresTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration