Accounts Receivable
 6 Months Ended
Sep. 30, 2016
Receivables [Abstract]  
Accounts Receivable
Accounts Receivable
 
 
September 30, 2016
 
March 31, 2016
Billed
 
$
11,332

 
$
13,220

Unbilled
 
6,616

 
4,763

Allowance for doubtful accounts
 
(471
)
 
(464
)
Accounts receivable, net
 
$
17,477

 
$
17,519


Billed accounts receivable represent amounts billed to customers that have yet to be collected. Unbilled accounts receivable represent revenue recognized, but billed after period end. All unbilled receivables as of September 30, 2016 and March 31, 2016 are expected to be billed and collected within twelve months.
The Company recorded $28 and $405 of bad debt expense during the three and six months ended September 30, 2016, respectively. The Company recorded $164 of bad debt expense during the three and six months ended September 30, 2015.