Annual report pursuant to Section 13 and 15(d)

Income Taxes (Narrative) (Details)

v2.4.0.8
Income Taxes (Narrative) (Details) (USD $)
 12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2005
Income Taxes [Line Items]        
Net operating loss carryforwards $ 75,000      
Dividend payable 1,436,318   1,270,016  
Net operating loss carryforwards acquired in acquisition 3,790,000      
Net operating loss carryforwards, limitations on use 228,000      
Uncertain tax benefit positions that would reduce the effective income tax rate if recognized 323,000      
Expiration of statute of limitations 66,000 81,000 43,000  
Accrual for interest and penalties 161,000      
Net increase (decrease) in accrued interest and penalties (7,000)      
Effective income tax rate 186.80% 34.10% 44.40%  
Federal tax rate 35.00% 35.00% 35.00%  
Decrease in income tax rate due to the effect of foreign operations (3.30%) 0.20% (4.70%)  
Scenario, Forecast [Member]
        
Income Taxes [Line Items]        
Expiration of statute of limitations 7,000      
Austin Taylor Communications, Ltd. [Member]
        
Income Taxes [Line Items]        
Pretax income (losses) 428,000 419,000 1,474,000  
Net operating loss carryforwards 6,568,000      
Patapsco [Member] | Foreign Tax Authority [Member]
        
Income Taxes [Line Items]        
Pretax income (losses) (2,754,000) 316,000 55,000  
Net operating loss carryforwards 90,000      
Transition Networks China [Member]
        
Income Taxes [Line Items]        
Pretax income (losses) 341,000 36,000 24,000  
Net operating loss carryforwards 306,000      
Suttle Costa Rica, S.A. [Member]
        
Income Taxes [Line Items]        
Pretax income (losses) 152,000 168,000 155,000  
Net operating loss carryforwards 0      
Dividend payable       $ 3,500,000