Revenue Recognition

3 Months Ended

Dec. 31, 2020

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 $0.3 million and $0.4 million for the three months ended December 31, 2020 and 2019, respectively.

The Company’s customers include wireless carriers, wireless equipment providers, multiple system operators, resellers and direct sales to end-user customers. Sales to the Company’s largest customer totaled approximately 15% and 11% of consolidated revenues for the three months ended December 31, 2020 and 2019, respectively.

Our sales by type were as follows, in thousands:

	Three Months Ended December 31,
	2020		2019
Wireless services sales	$	5,246	$	6,798
Equipment sales:
Telco	7,275		6,783
Telco repair sales	6		8
Telco recycle sales	222		373
Total sales	$	12,749	$	13,962

Contract assets and contract liabilities are included in Unbilled revenue and Deferred revenue, respectively, in the consolidated balance sheets. At December 31, 2020 and September 30, 2020, contract assets were $1.2 million and $0.6 million, respectively, and contract liabilities were $0.1 million and $0.1 million, respectively. The Company recognized the entire $0.1 million of contract revenue during the three months ended December 31, 2020 related to contract liabilities recorded in Deferred revenue at September 30, 2020.