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Inventories (Tables)
6 Months Ended
Jun. 30, 2022
Inventory Disclosure [Abstract]  
Schedule of inventory
Inventories are stated at the lower of standard cost (which approximates actual cost determined using the first-in, first-out cost method) or net realizable value, and consist of the following (in thousands):
June 30,
2022
December 31,
2021
Raw materials$3,758 $3,882 
Finished goods6,202 7,034 
Reserves for excess, obsolete, and slow-moving inventories (2,792)(3,050)
Inventories, net$7,168 $7,866 
The following is a roll-forward of the reserves for excess, obsolete, and slow-moving inventories (in thousands):
Three months ended
June 30,
Six months ended
June 30,
2022202120222021
Beginning balance$(3,179)$(2,983)$(3,050)$(2,894)
Accrual(56)(201)(98)
Reduction due to sold inventory241 24 257 36 
Write-off for disposed inventory202 — 202 — 
Reserves for excess, obsolete, and slow-moving inventories$(2,792)$(2,956)$(2,792)$(2,956)