Revenue Recognition - Disaggregation of Revenue (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Disaggregation of Revenue [Line Items]
Total sales	$ 25,926	$ 19,727	$ 77,474	$ 49,411
Wireless services sales
Disaggregation of Revenue [Line Items]
Total sales	7,898	6,992	22,907	15,462
Telco equipment
Disaggregation of Revenue [Line Items]
Total sales	18,028	12,272	54,363	33,287
Telco repair
Disaggregation of Revenue [Line Items]
Total sales	0	13	12	21
Telco recycle
Disaggregation of Revenue [Line Items]
Total sales	$ 0	$ 450	$ 192	$ 641