Revenue Recognition

3 Months Ended

Mar. 31, 2023

Revenue from Contract with Customer [Abstract]

Revenue Recognition

Revenue Recognition

The Company’s principal sales are from Wireless services and sales of Telco equipment, primarily in the United States. Sales to international customers totaled approximately $1.6 million and $1.5 million for the three months ended March 31, 2023 and 2022, respectively.

The Company’s customers include wireless carriers, wireless equipment providers, multiple system operators, resellers and direct sales to end-user customers. Sales, which individually amounted to 10% or greater of the Company's revenue, to one customer totaled 19%, and to two customers totaled 39% of consolidated revenues for the three months ended March 31, 2023 and 2022, respectively.

Our sales by type were as follows, in thousands:

	Three Months Ended March 31,
	2023		2022
Wireless services sales	$	6,572	$	7,767
Telco equipment	8,147		15,986
Telco repair	1		6
Total sales	$	14,720	$	23,759

Contract assets and contract liabilities are included in unbilled revenue and deferred revenue, respectively, in the consolidated balance sheets. At March 31, 2023 and December 31, 2022, contract assets were $3.1 million and $5.0 million, respectively, and contract liabilities were $0.2 million and $0.1 million, respectively. The Company recognized $0.1 million of contract revenue during the three months ended March 31, 2023 related to contract liabilities recorded in deferred revenue at December 31, 2022.