Annual report pursuant to Section 13 and 15(d)

Income Taxes (Income Tax Expense By Jurisdiction) (Details)

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Income Taxes (Income Tax Expense By Jurisdiction) (Details) - USD ($)
 12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Income Taxes [Abstract]      
Current year income taxes: Federal $ 27,000 $ (3,142,000) $ 328,000
Current year income taxes: State (20,000) (85,000) (12,000)
Current year income taxes: Foreign 258,000 254,000 113,000
Current year income taxes 265,000 (2,973,000) 429,000
Deferred income taxes (benefit): Federal 48,000 2,191,000 761,000
Deferred income taxes (benefit): State 5,000 38,000 40,000
Deferred income taxes (benefit): Foreign (61,000) (9,000) (11,000)
Deferred income taxes (benefit) (8,456) 2,220,623 790,402
Income taxes (benefit) $ 256,950 $ (753,415) $ 1,219,355