Revenue Recognition

6 Months Ended

Mar. 31, 2022

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 totaled approximately $1.5 million and $0.9 million for the three months ended March 31, 2022 and 2021, respectively, and $2.6 million and $1.3 million for the six month period ended March 31, 2022 and 2021, 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 accounted to 10% or greater of the Company's revenue, to two customers which totaled 38%, and to three customers comprised approximately 24%, of consolidated revenues for the six months ended March 31, 2022 and 2021, respectively.

Our sales by type were as follows, in thousands:

	Three Months Ended March 31,				Six Months Ended March 31,
	2022		2021		2022		2021
Wireless services	$	7,767	$	4,334	$	14,885	$	9,581
Telco equipment	15,986		8,189		27,410		15,464
Telco repair	6		7		18		13
Telco recycle	—		137		136		358
Total sales	$	23,759	$	12,667	$	42,449	$	25,416

Contract assets and contract liabilities are included in unbilled revenue and deferred revenue, respectively, in the consolidated balance sheets. At March 31, 2022 and September 30, 2021, contract assets were $3.2 million and $2.5 million, respectively, and contract liabilities were $0.2 million and $0.2 million, respectively. The Company recognized $0.2 million of contract revenue during the six months ended March 31, 2021 related to contract liabilities recorded in deferred revenue at September 30, 2021.