Quarterly report pursuant to Section 13 or 15(d)

Accrued Liabilities (Details 1)

v3.10.0.1
Accrued Liabilities (Details 1)
$ in Thousands
 6 Months Ended
Jun. 30, 2018
USD ($)
Accrued Liabilities [Line Items]  
Beginning Balance $ 353
Additions for estimated future expense 176
Incurred costs (109)
Closing Balance 420
Maintenance [Member]  
Accrued Liabilities [Line Items]  
Beginning Balance 121
Additions for estimated future expense 0
Incurred costs (12)
Closing Balance 109
Warranty [Member]  
Accrued Liabilities [Line Items]  
Beginning Balance 232
Additions for estimated future expense 213
Incurred costs (134)
Closing Balance $ 311