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Income Taxes (Details Textual) (USD $)
 12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Income Tax Expense (Benefit) $ (55,048) $ 684
Deferred Tax Assets, Valuation Allowance (11,660,247) (11,619,578)
Valuation Allowance, Deferred Tax Asset, Change in Amount 41,000 (1,500,000)
Accrued Income Taxes, Noncurrent 0 37,212
Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued 0 9,000
Unrecognized Tax Benefits, Income Tax Penalties and Interest Expense 0 1,000
Operating Loss Carryforwards, Limitations on Use, Amount 1,100,000  
Operating Loss Carryforwards, Pre-Ownership Change, Amount 20,200,000  
Operating Loss Forgive, Pre-Ownership Change, Amount 6,200,000  
Tax Credit Carryforward, Pre-Ownership Change, Amount 1,200,000  
U.S. federal [Member]
    
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent 34.00%  
Operating Loss Carryforwards 25,000,000  
Operating Loss Carryforwards Expiration Date1 Approximately $10.2 million of the NOLs will begin to expire in 2023 with the balance expiring from 2024 through 2033  
U.S. federal [Member] | Research and Development Expense [Member]
    
Tax Credit Carryforward, Amount 144,000  
Tax Credit Carryforward Expiration Date1 expire in 2033  
U.S. federal [Member] | Expiry in 2023 [Member]
    
Operating Loss Carryforwards 10,200,000  
State and local [Member]
    
Operating Loss Carryforwards 31,100,000  
Operating Loss Carryforwards Expiration Date1 Approximately $12.4 million of the Company's state NOLs expire in 2018 with the remaining balance expiring from 2019 through 2028.  
State and local [Member] | Research and Development Expense [Member]
    
Tax Credit Carryforward, Amount 267,000  
Tax Credit Carryforward Expiration Date1 expire in 2023 through 2027  
State and local [Member] | Expiry in 2018 [Member]
    
Operating Loss Carryforwards $ 12,400,000