Annual report pursuant to Section 13 and 15(d)

Accrued Liabilities

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Accrued Liabilities
 12 Months Ended
Dec. 31, 2020
Accrued Liabilities and Other Liabilities [Abstract]  
Accrued Liabilities Accrued Liabilities
Accrued liabilities consisted of the following:
December 31,
2020 2019
Salaries, benefits and related expenses $ 1,194  $ 1,098 
Device warranty 188  285 
Other 47  300 
Total $ 1,429  $ 1,683 

Warranty

Sales of devices generally include an initial warranty for parts and services for one year in the Americas, two years in Europe, the Middle East, Africa, and one or two years in the Asia Pacific region. A liability for the estimated cost of product warranty is established at the time revenue is recognized based on the historical experience of known product failure rates and expected material and labor costs to provide warranty services. Specific additional warranty accruals may be made if unforeseen technical problems arise. Alternatively, if estimates are determined to be greater than the actual amounts necessary, a portion of the liability may be reversed in future periods. Warranty costs are reflected in the consolidated statements of operations and comprehensive loss as a component of costs of revenue. The current portion of the warranty liability is classified as a
component of accrued liabilities, while the long-term portion of the warranty liability is classified as a component of other non-current liabilities in the consolidated balance sheets.
Warranty
2020 2019
Balance at beginning of the period $ 350  $ 319 
Additions for estimated future expense 219  416 
Incurred costs (343) (385)
Balance at end of the period $ 226  $ 350 
Current portion 188  285 
Long-term portion 38  65 
Total $ 226  $ 350