Quarterly report pursuant to Section 13 or 15(d)

Restructuring Charge (Details Textual)

v3.8.0.1
Restructuring Charge (Details Textual) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended 12 Months Ended
Dec. 31, 2017
Dec. 31, 2016
Dec. 31, 2017
Dec. 31, 2016
Mar. 31, 2017
Restructuring Cost and Reserve [Line Items]          
Impairment of Long-Lived Assets to be Disposed of $ 0 $ 0 $ 0 $ 1,181  
Production Related Impairments or Charges       1,600  
Impairment of Leasehold         $ 1,200
Restructuring   $ 490 165 $ 3,055 3,200
restructuringexpenseconsultants         700
Unpaid balance of restructuring charges 166   166   1,234
Restructuring Reserve, Noncurrent 0   0   63
Restructuring Reserve, Current 166   166   1,171
Employee Severance [Member]          
Restructuring Cost and Reserve [Line Items]          
Restructuring     165   1,300
Unpaid balance of restructuring charges 0   0   0
Other Restructuring [Member]          
Restructuring Cost and Reserve [Line Items]          
Restructuring     0    
Unpaid balance of restructuring charges $ 166   $ 166   $ 1,234