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3. Accounts Receivable
 6 Months Ended
Jun. 30, 2017
Receivables [Abstract]  
Accounts Receivable

Accounts receivables consist of the following at:

 

(Dollars in thousands)  June 30, 2017   December 31, 2016 
         
U.S. and State Government  $191   $103 
Commercial   884    778 
Allowance for doubtful accounts   –    – 
Total  $1,075   $881 

 

For the six months ended June 30, 2017 and 2016, the largest commercial customer represented 8.6% and 14.0%, respectively, and the largest governmental agency represented 27.6% and 1.3%, respectively, of the Company’s product revenue. As of June 30, 2017 and December 31, 2016, the largest commercial receivable represented 13.6% and 23.0%, respectively, and the largest governmental receivable represented 17.8% and 11.6%, respectively, of the Company’s accounts receivable.