Quarterly report pursuant to Section 13 or 15(d)

Restructuring Charge (Details Textual)

v3.8.0.1
Restructuring Charge (Details Textual) - USD ($)
3 Months Ended 6 Months Ended 12 Months Ended
Sep. 30, 2017
Sep. 30, 2016
Sep. 30, 2017
Sep. 30, 2016
Mar. 31, 2017
Restructuring Cost and Reserve [Line Items]          
Impairment of Long-Lived Assets to be Disposed of $ 0 $ 0 $ 0 $ 1,181,000  
Production Related Impairments or Charges   200 0 1,600,000  
Impairment of Leasehold         $ 1,200,000
Restructuring 165,000 $ 2,601,000 165,000 $ 2,565,000 3,200,000
restructuringexpenseconsultants         700,000
Unpaid balance of restructuring charges 415,000   415,000   1,234,000
Restructuring Reserve, Noncurrent 0   0   63,000
Restructuring Reserve, Current 415,000   415,000   1,171,000
Employee Severance [Member]          
Restructuring Cost and Reserve [Line Items]          
Restructuring     165,000   1,300,000
Unpaid balance of restructuring charges 146,000   146,000   0
Other Restructuring [Member]          
Restructuring Cost and Reserve [Line Items]          
Restructuring     0    
Unpaid balance of restructuring charges $ 269,000   $ 269,000   $ 1,234,000