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Inventories
6 Months Ended
Jun. 30, 2020
Inventory Disclosure [Abstract]  
Inventories INVENTORIES
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):

Six months ended June 30, 2020Twelve months ended December 31, 2019
Raw materials$3,590  $4,064  
Finished goods5,636  5,749  
Reserves for excess, obsolete, and slow-moving inventories (3,326) (3,645) 
Inventories, net$5,900  $6,168  

The following is a rollforward of the reserves for excess, obsolete, and slow-moving inventories (in thousands):

Six months ended June 30, 2020Twelve months ended December 31, 2019
Beginning Balance$(3,645) $(4,212) 
Provision (accrual)112  (814) 
Reduction due to sold inventory167  845  
Write-off for disposed inventory40  536  
Reserves for excess, obsolete, and slow-moving inventories$(3,326) $(3,645)