Current Liabilities and Debt Obligations (Details) (USD $)	3 Months Ended			6 Months Ended			12 Months Ended
	Jun. 30, 2014		Jun. 30, 2013	Jun. 30, 2014		Jun. 30, 2013	Dec. 31, 2013	Jun. 11, 2013	Dec. 31, 2010
Accounts Payable and Other Accrued Payables [Abstract]
Trade account payables	$ 11,600,000			$ 11,600,000			$ 17,300,000
Accrued trade payables	3,900,000			3,900,000			6,000,000
Senior Revolving Credit Facility [Abstract]
Maximum revolving credit facility									30
Term loan component of Facility							6,200,000
Amended expiration date of revolving credit facility				Nov. 13, 2015
Principal amount of term loan repaid in quarterly installments							93,750
Fees paid in connection with amendment	75,000			75,000
Interest rate on credit facility (in hundredths)	4.25%			4.25%
Interest expense	1,252,000		1,366,000	2,591,000		2,773,000
Discount rate on senior redeemable preferred stock redemption (in hundredths)								10.00%
Maximum redemption of redeemable preferred stock								2,000,000
Outstanding borrowing of credit facility	6,200,000			6,200,000
Remaining borrowing capacity	3,700,000			3,700,000
Recurring revenue under debt covenant	5,000,000		4,500,000	5,000,000		4,500,000
Weighted average interest rates on outstanding borrowings (in hundredths)	5.60%		5.40%	5.60%		5.40%
Maturities of facility presented by year [Abstract]
2014	1,000,000			1,000,000
2015	12,218,000			12,218,000
Total	13,218,000			13,218,000
Senior Redeemable Preferred Stock [Member]
Senior Revolving Credit Facility [Abstract]
Maximum redemption of redeemable preferred stock								2,000,000
Term Loan [Member]
Senior Revolving Credit Facility [Abstract]
Term loan component of Facility	6,000,000			6,000,000
Principal amount of term loan repaid in quarterly installments				250,000
Percentage of term loan amortized per year (in hundredths)	5.00%			5.00%
Revolving credit [Member]
Senior Revolving Credit Facility [Abstract]
Percentage added to reference rate to compute the variable rate (in hundredths)				3.75%
Interest expense	200,000		200,000	300,000		400,000
Outstanding borrowing of credit facility	13,200,000			13,200,000			19,800,000
Remaining borrowing capacity							9,200,000
Revolving credit [Member] | Prime Rate [Member]
Senior Revolving Credit Facility [Abstract]
Percentage added to reference rate to compute the variable rate (in hundredths)				1.00%
Revolving credit [Member] | Federal Funds Rate [Member]
Senior Revolving Credit Facility [Abstract]
Percentage added to reference rate to compute the variable rate (in hundredths)				1.50%
Revolving credit [Member] | LIBOR Rate [Member]
Senior Revolving Credit Facility [Abstract]
Percentage added to reference rate to compute the variable rate (in hundredths)				2.00%
Short-term [Member]
Senior Revolving Credit Facility [Abstract]
Outstanding borrowing of credit facility	1,000,000			1,000,000			700,000
Short-term [Member] | Term Loan [Member]
Maturities of facility presented by year [Abstract]
2014	1,000,000			1,000,000
2015	0			0
Total	1,000,000	[1]		1,000,000	[1]
Long-term [Member]
Senior Revolving Credit Facility [Abstract]
Outstanding borrowing of credit facility	6,000,000			6,000,000
Maturities of facility presented by year [Abstract]
2014	0			0
2015	12,218,000			12,218,000
Total	12,218,000			12,218,000
Long-term [Member] | Term Loan [Member]
Maturities of facility presented by year [Abstract]
2014	0			0
2015	5,000,000			5,000,000
Total	5,000,000	[1]		5,000,000	[1]
Long-term [Member] | Revolving credit [Member]
Maturities of facility presented by year [Abstract]
2014	0			0
2015	7,218,000			7,218,000
Total	$ 7,218,000	[2]		$ 7,218,000	[2]

[1] The principal will be repaid in quarterly installments of $250,000, with a final installment of the unpaid principal amount payable on November 13, 2015.

[2] Balance due represents balance as of June 30, 2014, with fluctuating balances based on working capital requirements of the Company.