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Balance Sheet Components | 3 Months Ended
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Mar. 31, 2022
Balance Sheet Related Disclosures [Abstract] |
Balance sheet components | Note 3. Balance sheet components Inventories, net Inventories, net consisted of the following (in thousands):
|  | December 31, |  |  | March 31, |
|  | 2021 |  |  | 2022 |
|  |  |  |  | (unaudited) |
Finished goods |  | $ | 31,991 |  |  | $ | 38,520 |
Raw materials |  |  | 7,353 |  |  |  | 7,309 |
Gross inventory |  |  | 39,344 |  |  |  | 45,829 |
Less: Excess and obsolete provision |  |  | (5,567 | ) |  |  | (5,619 | )
Inventories, net |  | $ | 33,777 |  |  | $ | 40,210 |
Accrued liabilities Accrued liabilities consisted of the following (in thousands):
|  | December 31, |  |  | March 31, |
|  | 2021 |  |  | 2022 |
|  |  |  |  | (unaudited) |
Accrued goods and services |  | $ | 12,278 |  |  | $ | 12,479 |
Accrued inventory purchases |  |  | 2,218 |  |  |  | 4,591 |
Accrued customer rebates |  |  | 7,355 |  |  |  | 7,754 |
Other |  |  | 97 |  |  |  | 192 |
Accrued liabilities |  | $ | 21,948 |  |  | $ | 25,016 |
Accrued warranty Provisions for warranty claims are primarily related to our hardware products and are recorded at the time products are sold. The change to accrued warranty was as follows (in thousands):
|  | Year ended December 31, |  |  | Three months ended March 31, |
|  | 2021 |  |  | 2022 |
|  |  |  |  | (unaudited) |
Beginning balance |  | $ | 1,714 |  |  | $ | 1,731 |
Fulfillment of assumed acquisition warranty |  |  | (216 | ) |  |  | (34 | )
Provision increase, net |  |  | 233 |  |  |  | 63 |
Ending balance |  | $ | 1,731 |  |  | $ | 1,760 |
At March 31, 2022, $1.3 million is included in Other current liabilities and $0.5 million is included in Other noncurrent liabilities on the Company’s condensed consolidated balance sheet.

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- Definition The entire disclosure for supplemental balance sheet disclosures, including descriptions and amounts for assets, liabilities, and equity. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -URI http://asc.fasb.org/topic&trid=2122208 + Details
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