Annual report pursuant to Section 13 and 15(d)

Restructuring Charge (Details Textual)

v3.10.0.1
Restructuring Charge (Details Textual) - USD ($)
1 Months Ended 3 Months Ended
Nov. 29, 2018
Dec. 31, 2018
Employee Severance [Member]    
Restructuring and Related Cost, Number of Positions Eliminated, Period Percent 33.00%  
One-time Termination Benefits [Member]    
Severance Costs   $ 409,000