Subordinated Debt - Related Parties (Details Textual) - USD ($)		1 Months Ended			12 Months Ended
	Feb. 08, 2008	Jul. 17, 2012	Feb. 28, 2006	Feb. 28, 2003	Dec. 31, 2015	Dec. 31, 2014	May. 28, 2010
Subordinated Borrowing [Line Items]
Warrants To Purchase Common Shares			303,030	163,000
Common Stock, Par or Stated Value Per Share			$ 3.30	$ 4.87	$ 0	$ 0
Bank Loan Refinance				$ 880,000
Fair Value Of Warrants		$ 703,000	$ 443,000	$ 460,000	$ 714,000
Notes Reduction	$ 794,000
Notes Payable	$ 4,000	$ 5,000,000					$ 577,000
Notes Bearing Interest Description			five year subordinated notes bearing interest at 2% over the prime rate determined on a quarterly basis
Warrants Term			5 years	5 years
Various Times From 2003 To 2005 [Member]
Subordinated Borrowing [Line Items]
Notes Payable To Bank					814,000
Subordinated Demand Notes					$ 741,000
Percentage Of Interest Bearing On Notes					8.00%
Subordinated Debt [Member]
Subordinated Borrowing [Line Items]
Sale of Stock, Consideration Received on Transaction			$ 1,000,000	$ 1,630,000
Debt Instrument, Interest Rate, Stated Percentage				9.00%