Annual report pursuant to Section 13 and 15(d)

Employee Benefit Plan (Details)

v3.6.0.2
Employee Benefit Plan (Details) - USD ($)
 1 Months Ended 12 Months Ended
Mar. 31, 2014
Sep. 30, 2016
Sep. 30, 2015
Sep. 30, 2014
Defined Contribution Plan [Line Items]        
Defined Benefit Plan, Contributions by Employer (in Dollars)   $ 33,000 $ 37,000 $ 31,000
United States Postretirement Benefit Plan of US Entity [Member]        
Defined Contribution Plan [Line Items]        
Defined Contribution Plan, Maximum Annual Contributions Per Employee, Amount (in Dollars)   $ 15,500    
Defined Contribution Plan, Maximum Annual Contributions Per Employee, Percent   100.00%    
Defined Contribution Plan, Employer Matching Contribution, Percent of Employees' Gross Pay   3.00%    
United States Postretirement Benefit Plan of US Entity [Member] | U.K. [Member]        
Defined Contribution Plan [Line Items]        
Defined Benefit Plan, Contributions by Employer (in Dollars)   $ 23,000 $ 26,000 $ 6,000
Foreign Postretirement Benefit Plan [Member] | U.K. [Member]        
Defined Contribution Plan [Line Items]        
Defined Contribution Plan, Employer Matching Contribution, Percent of Employees' Gross Pay 3.00%