Revolving Loan Facility Narrative (Details) (USD $)	3 Months Ended		6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011
Revolving Loan Facility Limit	$ 5,000,000		$ 5,000,000
Borrowings as Limited by Eligible Accounts Receivable, Percent	80.00%		80.00%
Debt Instrument, Description of Variable Rate Basis			Prime Rate as announced by Wall Street Journal ("WSJ") plus one and a quarter percent
Debt Instrument, Basis Spread on Variable Rate	1.25%		1.25%
minimum monthly interest			0.35%
WSJ Prime Rate			3.25%
outstanding Revolving Loan Facility	750,000		750,000
amortization of financing costs	14,000	16,000	29,000	31,000
Minimum [Member]
Line of Credit Facility, Amortization of Financing Costs, Term			12
Maximum [Member]
Line of Credit Facility, Amortization of Financing Costs, Term			24
Revolving Credit Facility [Member]
Revolving Loan Facility Limit	5,000,000		5,000,000
Unused Revolving Loan Facility	2,662,000		2,662,000
Revolving Loan Facility Unamortized financing costs	$ 33,000		$ 33,000