REVENUE AND RECEIVABLES (Tables)

12 Months Ended

Dec. 31, 2023

REVENUE AND RECEIVABLES

Summary of revenues

	Year Ended
	2023		2022		2021
Services transferred over time
US Telecom	$	326,966	$	301,309	$	188,405
International Telecom		347,769		332,507		319,357
Solar		-		-		418
Total		674,735		633,816		508,180
Goods and services transferred at a point in time
US Telecom		18,059		29,203		46,433
International Telecom		17,086		14,934		10,928
Total		35,145		44,137		57,361
Total revenue accounted for under ASC 606		709,880		677,953		565,541

Summary of contracts asset and liabilities

Contract assets and liabilities consisted of the following (amounts in thousands):

	December 31, 2023		December 31, 2022			$ Change	% Change
Contract asset – current	$	3,616	$	2,932	$	684		23.3	%
Contract asset – noncurrent		5,509		3,775		1,734		45.9	%
Contract liability – current		(30,990)		(27,284)		(3,706)		13.6	%
Contract liability – noncurrent		(64,035)		(72,543)		8,508		(11.7)	%
Net contract liability	$	(85,900)	$	(93,120)	$	7,220		(7.8)	%

Schedule of activity in allowances for credit losses

	Year ended
	December 31, 2023		December 31, 2022
Balance at beginning of period	$	15,171	$	13,885
Current period provision for expected losses		5,012		6,695
Write-offs charged against the allowance		(4,340)		(5,518)
Recoveries collected		519		109
Balance at end of period	$	16,362	$	15,171