Quarterly report pursuant to Section 13 or 15(d)

Summary of Deferred Revenue (Detail)

v3.7.0.1
Summary of Deferred Revenue (Detail) - USD ($)
$ in Thousands
Jun. 30, 2017
Dec. 31, 2016
Components of deferred revenue    
Undelivered elements (training, installation, and product and support services) $ 1,129 $ 1,404
Extended warranty contracts 1,469 1,487
Deferred royalties 82 142
Total Deferred Revenue 2,680 3,033
Less long-term amounts:    
Deferred royalties 17 23
Total Deferred Revenue - Long-Term 17 23
Total Deferred Revenue - Current $ 2,663 $ 3,010