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REVENUE AND RECEIVABLES | 12 Months Ended
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Dec. 31, 2022
REVENUE AND RECEIVABLES |
REVENUE AND RECEIVABLES | 3. REVENUE AND RECEIVABLES Revenue Accounted for in Accordance with Other Guidance The Company records revenue in accordance with ASC 606 from contracts with customers and ASC 842 from lease agreements, as well as government grants. Lease revenue recognized under ASC 842 is disclosed in Note 4 and government grant revenue is disclosed in Note 9. ​ Timing of Revenue Recognition Revenue accounted for in accordance with ASC 606 consisted of the following for the periods presented below. ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Year ended
​ | ​ | 2022 | ​ | ​ | 2021 | ​ | ​ | 2020
Services transferred over time | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
US Telecom | $ | 301,309 | ​ | $ | 188,405 | ​ | $ | 96,935
International Telecom | ​ | 332,507 | ​ | ​ | 319,357 | ​ | ​ | 305,844
Solar | ​ | — | ​ | ​ | 418 | ​ | ​ | 4,556
Total services transferred over time | ​ | 633,816 | ​ | ​ | 508,180 | ​ | ​ | 407,335
Goods and services transferred at a point in time | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
US Telecom | ​ | 29,203 | ​ | ​ | 46,433 | ​ | ​ | 12,154
International Telecom | ​ | 14,934 | ​ | ​ | 10,928 | ​ | ​ | 9,196
Total goods and services transferred at a point in time | ​ | 44,137 | ​ | ​ | 57,361 | ​ | ​ | 21,350
Total revenue accounted for under ASC 606 | ​ | 677,953 | ​ | ​ | 565,541 | ​ | ​ | 428,685
​ Contract Assets and Liabilities Contract assets and liabilities consisted of the following (amounts in thousands):
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | December 31, 2022 | ​ | December 31, 2021 | ​ | ​ | $ Change | ​ | % Change
Contract asset – current | $ | 2,932 | ​ | $ | 4,805 | ​ | $ | (1,873) | ​ | (39) | %
Contract asset – noncurrent | ​ | 3,775 | ​ | ​ | 900 | ​ | ​ | 2,875 | ​ | 319 | %
Contract liability – current | ​ | (27,284) | ​ | ​ | (25,332) | ​ | ​ | (1,952) | ​ | (8) | %
Contract liability – noncurrent | ​ | (72,543) | ​ | ​ | (81,391) | ​ | ​ | 8,848 | ​ | 11 | %
Net contract liability | $ | (93,120) | ​ | $ | (101,018) | ​ | $ | 7,898 | ​ | 8 | %
​ The contract asset-current is included in prepayments and other current assets, the contract asset-noncurrent is included in other assets, the contract liability-current is included in advance payments and deposits, and the contract liability-noncurrent is included in other liabilities on the Company’s balance sheet. The decrease in the Company’s net contract liability was due to the recognition of contract liabilities as revenue during the year ended December 31, 2022. During the year ended December 31, 2022, the Company recognized revenue of $25.1 million related to its December 31, 2021 contract liability and amortized $3.6 million of the December 31, 2021 contract asset into revenue. During the year ended December 31, 2021, the Company recognized revenue of $18.0 million related to its December 31, 2020 contract liability and amortized $2.4 million of the December 31, 2020 contract asset into revenue. The Company did not recognize any revenue in the years ended December 31, 2022 and 2021 related to performance obligations that were satisfied or partially satisfied in previous periods. Contract Acquisition Costs The December 31, 2022 balance sheet includes contract acquisition costs of $8.3 million in other assets. The December 31, 2021 balance sheet includes contract acquisition costs of $4.5 million. During the years ended December 31, 2022 and 2021 the Company amortized $3.5 million and $2.8 million, respectively, of contract acquisition cost. Remaining Performance Obligations Remaining performance obligations represent the transaction price allocated to unsatisfied performance obligations of certain multiyear mobility contracts, which include a promotional discount, and the Company’s construction and service contracts. The transaction price allocated to unsatisfied performance obligations was $312 million and $369 million at December 31, 2022 and December 31, 2021, respectively. The Company expects to satisfy approximately 50% of the remaining performance obligations and recognize the transaction price within 24 months and the remainder thereafter. The Company has certain mobility and carrier services contracts where transaction price is allocated to remaining performance obligations. However, the Company omits these contracts from the disclosure by applying the right to invoice, one year or less, any wholly unsatisfied performance obligation practical expedients. Disaggregation The Company's revenue is presented on a disaggregated basis in Note 14 based on an evaluation of disclosures outside the financial statements, information regularly reviewed by the chief operating decision maker for evaluating the financial performance of operating segments and other information that is used for performance evaluation and resource allocations. This includes revenue from Communication Services revenue, Construction revenue and Other revenue. Communication Services is further disaggregated into Mobility, Fixed, Carrier Services, and Other revenue. Construction revenue represents revenue generated within our US Telecom segment for the construction of network cell sites related to the FirstNet Agreement. Other revenue is further disaggregated into Renewable Energy and Managed Services. Each of the revenue streams is presented for the Company’s International Telecom and US Telecom segments. This disaggregation of revenue depicts how the nature, amount, timing and uncertainty of revenue and cash flows are affected by economic factors. Receivables At December 31, 2022, the Company had gross accounts receivable of $154.5 million and an allowance for credit losses of $15.2 million. The receivable under the FirstNet Agreement totaled $52.5 million, of which $5.8 million was current and $46.7 million was long-term. The December 31, 2022 accounts receivable also includes $5.7 million related to participation in certain government funded programs. (Refer to Note 9). At December 31, 2021, the Company had gross accounts receivable of $131.4 million and an allowance for credit losses of $13.9 million. The receivable under the FirstNet Agreement totaled $43.8 million of which $4.1 million was current and $39.7 million was long-term. The Company monitors receivables through the use of historical operating data adjusted for expectation of future performance as appropriate. Activity in the allowance for credit losses is below: ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | Year ended December 31, 2022 |  | Year ended December 31, 2021
​ | ​ | ​ | ​ | ​ | ​ | ​
Balance at beginning of period |  | $ | 13,885 | ​ | $ | 12,121
Current period provision for expected losses |  | ​ | 6,695 | ​ | ​ | 4,850
Write-offs charged against the allowance |  | ​ | (5,518) | ​ | ​ | (3,517)
Recoveries collected | ​ | ​ | 109 | ​ | ​ | 431
Balance at end of period | ​ | $ | 15,171 | ​ | $ | 13,885
​

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- Definition The entire disclosure of revenue from contract with customer to transfer good or service and to transfer nonfinancial asset. Includes, but is not limited to, disaggregation of revenue, credit loss recognized from contract with customer, judgment and change in judgment related to contract with customer, and asset recognized from cost incurred to obtain or fulfill contract with customer. Excludes insurance and lease contracts. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -URI https://asc.fasb.org/topic&trid=49130388 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 10 -URI https://asc.fasb.org/extlink&oid=126920106&loc=SL49130551-203045 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 13 -Subparagraph (b)(2) -URI https://asc.fasb.org/extlink&oid=126920106&loc=SL49130556-203045 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 12 -Subparagraph (b) -URI https://asc.fasb.org/extlink&oid=126920106&loc=SL49130554-203045 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 9 -URI https://asc.fasb.org/extlink&oid=126920106&loc=SL49130550-203045 Reference 6: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 12 -Subparagraph (e) -URI https://asc.fasb.org/extlink&oid=126920106&loc=SL49130554-203045 Reference 7: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 12 -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=126920106&loc=SL49130554-203045 Reference 8: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 12 -Subparagraph (d) -URI https://asc.fasb.org/extlink&oid=126920106&loc=SL49130554-203045 Reference 9: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 15 -URI https://asc.fasb.org/extlink&oid=126920106&loc=SL49130558-203045 Reference 10: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 12 -Subparagraph (c) -URI https://asc.fasb.org/extlink&oid=126920106&loc=SL49130554-203045 + Details
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