Accounts Receivable

9 Months Ended

Sep. 30, 2021

Receivables [Abstract]

Accounts Receivable

3. Accounts Receivable

Accounts receivables consist of the following at:

(Dollars in thousands)	September 30, 2021		December 31, 2020
U.S. and State Government	$	6	$	2
Commercial		845		909
Data Hosting		82		—
Other		94		64
Total	$	1,027	$	975

For the three months ended September 30, 2021 and 2020, the largest commercial customer represented 16.4% and 18.0%, respectively, and the largest governmental agency represented 24.9% and 57.7%, respectively, of the Company’s product revenue. For the nine months ended September 30, 2021 and 2020, the largest commercial customer represented 14.2% and 8.4%, respectively, and the largest governmental agency represented 26.3% and 49.4%, respectively, of the Company’s product revenue. As of September 30, 2021 and December 31, 2020, the largest commercial customer receivable represented 22.9% and 15.9%, respectively, and the largest governmental customer receivable represented 0.6% and 0.3%, respectively, of the Company’s accounts receivable.  As of September 30, 2021 and December 31, 2020, there was one data hosting customer that represented 8.0% and 0.0%, respectively, of the Company’s accounts receivable.

The Company’s allowance for doubtful accounts was $0 at both September 30, 2021 and December 31, 2020.