Quarterly report pursuant to Section 13 or 15(d)

Accrued Liabilities (Details 1)

v3.7.0.1
Accrued Liabilities (Details 1)
$ in Thousands
 3 Months Ended
Mar. 31, 2017
USD ($)
Accrued Liabilities [Line Items]  
Beginning Balance $ 687
Incurred costs (126)
Closing Balance 561
Maintenance [Member]  
Accrued Liabilities [Line Items]  
Beginning Balance 483
Incurred costs (79)
Closing Balance 404
Warranty [Member]  
Accrued Liabilities [Line Items]  
Beginning Balance 204
Incurred costs (47)
Closing Balance $ 157