Revenue Recognition

3 Months Ended

Dec. 31, 2021

Revenue from Contract with Customer [Abstract]

Revenue Recognition

Revenue Recognition

The Company’s principal sales are from Wireless services, sales of Telco equipment and Telco recycled equipment, primarily in the United States. Sales to international customers in Central and South America totaled approximately $1.1 million and $0.3 million for the three months ended December 31, 2021 and 2020, respectively.

The Company’s customers include wireless carriers, wireless equipment providers, multiple system operators, resellers and direct sales to end-user customers. Sales to two customers which individually accounted for 10% or greater of the Company's revenue totaled approximately 37% and 29% of consolidated revenues for the three months ended December 31, 2021 and 2020, respectively.

Our sales by type were as follows, in thousands:

	Three Months Ended December 31,
	2021		2020
Wireless services sales	$	7,119	$	5,246
Telco equipment sales	11,424		7,275
Telco repair sales	11		6
Telco recycle sales	136		222
Total sales	$	18,690	$	12,749

Contract assets and contract liabilities are included in Unbilled revenue and Deferred revenue, respectively, in the consolidated balance sheets. At December 31, 2021 and September 30, 2021, contract assets were $2.2 million and $2.5 million, respectively, and contract liabilities were $0.2 million and $0.2 million, respectively. The Company recognized the entire $0.2 million of contract revenue during the three months ended December 31, 2021 related to contract liabilities recorded in Deferred revenue at September 30, 2021.