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
Mar. 31, 2017
Dec. 31, 2016
Components of deferred revenue    
Undelivered elements (training, installation, and product and support services) $ 1,075 $ 1,404
Extended warranty contracts 1,499 1,487
Deferred royalties 112 142
Total Deferred Revenue 2,686 3,033
Less long-term amounts:    
Deferred royalties 20 23
Total Deferred Revenue - Long-Term 20 23
Total Deferred Revenue - Current $ 2,666 $ 3,010