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9. Accrued Expenses (Tables) | 6 Months Ended
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Jun. 30, 2020
Payables and Accruals [Abstract] |
Accrued expenses |
|  | June 30, 2020 |  |  | December 31, 2019 |
Accrued wages and benefits |  | $ | 416 |  |  | $ | 538 |
Accrued accounts payable |  |  | 398 |  |  |  | 566 |
Accrued sales and telecommunication taxes |  |  | 449 |  |  |  | 529 |
Product warranty liability |  |  | 43 |  |  |  | 37 |
Other |  |  | 81 |  |  |  | 84 |
Total accrued expenses |  | $ | 1,387 |  |  | $ | 1,754 |
Product warranty liabilities |
|  | Warranty Liabilities |
Balance at January 1, 2019 |  | $ | 16 |
Accrual for warranties |  |  | 37 |
Adjustments related to pre-existing warranties |  |  | 7 |
Warranty settlements |  |  | (23 | )
Balance at December 31, 2019 |  |  | 37 |
Accrual for warranties |  |  | 18 |
Warranty settlements |  |  | (12 | )
Balance at June 30, 2020 |  | $ | 43 |

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- Definition Tabular disclosure of the changes in the guarantor's aggregate product warranty liability, including the beginning balance of the aggregate product warranty liability, the aggregate reductions in that liability for payments made (in cash or in kind) under the warranty, the aggregate changes in the liability for accruals related to product warranties issued during the reporting period, the aggregate changes in the liability for accruals related to preexisting warranties (including adjustments related to changes in estimates), and the ending balance of the aggregate product warranty liability. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 460 -SubTopic 10 -Section 50 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=68068213&loc=d3e12565-110249 + Details
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