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Revenues from Contracts with Customers (Tables) | 9 Months Ended
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Sep. 30, 2020
Revenue From Contract With Customer [Abstract] |
Summary of Contract Balances | The following table summarizes contract balances as of December 31, 2019 and September 30, 2020 (in thousands):
|  | December 31, 2019 |  |  | September 30, 2020 |
|  |  |  | (unaudited) |
Trade accounts receivable, net of allowance for doubtful accounts |  | $ | 58,254 |  |  | $ | 53,472 |
Deferred revenue - current |  |  | 7,430 |  |  |  | 6,731 |
Deferred revenue - noncurrent |  |  | 4,852 |  |  |  | 4,278 |
Refund liability |  | $ | 2,223 |  |  | $ | 2,119 |

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- Definition Tabular disclosure of receivable, contract asset, and contract liability from contract with customer. Includes, but is not limited to, change in contract asset and contract liability. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 10 -URI http://asc.fasb.org/extlink&oid=121604090&loc=SL49130551-203045 + Details
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