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Stockholder's Equity (Tables)
9 Months Ended
Sep. 30, 2023
Share-Based Payment Arrangement, Noncash Expense [Abstract]  
Schedule of share-based payment award, stock options, valuation assumptions The weighted average assumptions utilized to determine the fair value of options granted during the nine months ended September 30, 2023 and 2022 are as follows:
Nine Months Ended September 30,
 20232022
Risk-free interest rate4.49 %2.97 %
Expected volatility43.93 %43.16 %
Expected life (in years)4.304.24
Dividend yield%%
Schedule of share-based compensation, employee stock purchase plan
The following table presents stock-based compensation expense, including expense for the ESPP, in the Company's consolidated statements of operations for the three and nine months ended September 30, 2023 and 2022:

Three Months Ended September 30,Nine Months Ended September 30,
2023202220232022
Cost of product sales$$333 $25 $468 
Cost of service sales15 
Research and development162 371 399 702 
Sales, marketing and support63 14 160 225 
General and administrative319 388 834 1,292 
$559 $1,109 $1,433 $2,695 
Schedule of accumulated other comprehensive income (loss)
The balances for the three months ended September 30, 2023 and 2022 are as follows:
Foreign Currency TranslationTotal Accumulated Other Comprehensive Loss
Balance, June 30, 2023$(3,955)$(3,955)
Other comprehensive loss(267)(267)
Net other comprehensive loss(267)(267)
Balance, September 30, 2023$(4,222)$(4,222)

Foreign Currency TranslationTotal Accumulated Other Comprehensive Loss
Balance, June 30, 2022$(4,021)$(4,021)
Other comprehensive loss(646)(646)
Net other comprehensive loss(646)(646)
Balance, September 30, 2022$(4,667)$(4,667)

The balances for the nine months ended September 30, 2023 and 2022 are as follows:
Foreign Currency TranslationUnrealized (Loss) Gain on Available for Sale Marketable SecuritiesTotal Accumulated Other Comprehensive Loss
Balance, December 31, 2022$(4,098)$(12)$(4,110)
Other comprehensive (loss) income(124)12 (112)
Net other comprehensive (loss) income(124)12 (112)
Balance, September 30, 2023$(4,222)$ $(4,222)
Foreign Currency TranslationTotal Accumulated Other Comprehensive Loss
Balance, December 31, 2021$(3,409)$(3,409)
Other comprehensive loss(1,258)(1,258)
Net other comprehensive loss(1,258)(1,258)
Balance, September 30, 2022$(4,667)$(4,667)