Annual report pursuant to Section 13 and 15(d)

Summary of Deferred Revenue (Detail)

v3.8.0.1
Summary of Deferred Revenue (Detail) - USD ($)
$ in Thousands
Dec. 31, 2017
Dec. 31, 2016
Components of deferred revenue    
Undelivered elements (training, installation, product and support services) $ 980 $ 1,404
Extended warranty contracts 1,634 1,487
Deferred royalties 22 142
Total Deferred Revenue 2,636 3,033
Less long-term amounts:    
Deferred royalties 11 23
Total Deferred Revenue - Long-Term 11 23
Total Deferred Revenue - Current $ 2,625 $ 3,010