Annual report pursuant to Section 13 and 15(d)

Accrued Liabilities (Details 1)

v3.8.0.1
Accrued Liabilities (Details 1) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2017
Dec. 31, 2016
Dec. 31, 2017
Dec. 31, 2016
Accrued Liabilities [Line Items]        
Beginning Balance $ 687 $ 0    
Additions for estimated future expense 207 1,341    
Incurred costs (408) (654)    
Adjustment from remeasurement (133)      
Closing Balance 353 687    
Current portion     $ 353 $ 686
Long-term portion     0 1
Total 687 687 353 687
Maintenance [Member]        
Accrued Liabilities [Line Items]        
Beginning Balance 483 0    
Additions for estimated future expense 0 911    
Incurred costs (229) (428)    
Adjustment from remeasurement (133)      
Closing Balance 121 483    
Current portion     121 483
Long-term portion     0 0
Total 483 483 121 483
Warranty [Member]        
Accrued Liabilities [Line Items]        
Beginning Balance 204 0    
Additions for estimated future expense 207 430    
Incurred costs (179) (226)    
Closing Balance 232 204    
Current portion     232 203
Long-term portion     0 1
Total $ 204 $ 204 $ 232 $ 204