Quarterly report pursuant to Section 13 or 15(d)

Income Taxes (Narrative) (Details)

v3.8.0.1
Income Taxes (Narrative) (Details) - USD ($)
 3 Months Ended 12 Months Ended
Dec. 31, 2017
Sep. 30, 2017
Income Tax Expense (Benefit) [Line Items]    
Benefit from change in corporate income tax rate $ 1,162,000  
Corporate income tax rate 21.00% 35.00%
Maximum [Member] | 2022 to 2037 [Member]    
Income Tax Expense (Benefit) [Line Items]    
Operating Loss Carryforwards, Expiration Date Jan. 01, 2022  
Minimum [Member] | 2022 to 2037 [Member]    
Income Tax Expense (Benefit) [Line Items]    
Operating Loss Carryforwards, Expiration Date Jan. 01, 2037  
Foreign Tax Authority [Member]    
Income Tax Expense (Benefit) [Line Items]    
Operating loss carryforwards $ 62,223,000  
Federal [Member] | 2022 to 2037 [Member]    
Income Tax Expense (Benefit) [Line Items]    
Operating loss carryforwards 12,100,000  
State [Member] | 2022 to 2037 [Member]    
Income Tax Expense (Benefit) [Line Items]    
Operating loss carryforwards $ 15,351,000