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Debt (Narrative) (Details) - USD ($)
3 Months Ended 9 Months Ended 36 Months Ended
Sep. 30, 2015
Sep. 30, 2014
Sep. 30, 2015
Sep. 30, 2014
Aug. 15, 2018
Mar. 01, 2015
Feb. 28, 2015
Feb. 27, 2015
Dec. 31, 2014
Debt Instrument [Line Items]                  
Deferred financing costs $ 143,000   $ 143,000           $ 192,000
Amortization of financing costs 23,000 $ 23,000 68,000 $ 67,000          
Current portion of long-term debt 21,000   21,000           400,000
Prepaid Expenses and Other Current Assets [Member]                  
Debt Instrument [Line Items]                  
Unamortized debt issuance expense 73,000   73,000           84,000
Comerica Term Loan [Member] | August 15, 2015 to August 15, 2018 [Member] | Forecast [Member]                  
Debt Instrument [Line Items]                  
Debt instrument, principal payment as percentage of excess cash flow (percent)         50.00%        
Promissory Note with Stockholder Representative [Member] | Promissory Note [Member]                  
Debt Instrument [Line Items]                  
Stated interest rate (percent)           15.00% 10.00%    
SRS Note $ 1,785,000   1,785,000           1,785,000
Promissory Note with Stockholder Representative [Member] | February 15, 2014 to April 15, 2015 [Member] | Promissory Note [Member]                  
Debt Instrument [Line Items]                  
Debt instrument, periodic principal payment     $ 50,000            
Debt instrument, additional periodic payment, principal, earnings benchmark, measurement period     3 months            
Debt instrument, additional periodic payment, principal, reduction to calculated payment     $ 1,500,000            
Promissory Note with Stockholder Representative [Member] | August 15, 2015 to August 15, 2018 [Member] | Promissory Note [Member]                  
Debt Instrument [Line Items]                  
Debt instrument, additional periodic payment, principal, earnings benchmark, measurement period     6 months            
Debt instrument, additional periodic payment, principal, reduction to calculated payment     $ 3,000,000            
Debt instrument, additional periodic payment, principal, percent of earnings benchmark (percent)     40.00%            
Term Loan [Member]                  
Debt Instrument [Line Items]                  
Stated interest rate (percent) 12.00%   12.00%            
Revolving Credit Facility [Member]                  
Debt Instrument [Line Items]                  
Stated interest rate (percent) 8.00%   8.00%            
Main Street Capital Corporation [Member] | Term Loan [Member]                  
Debt Instrument [Line Items]                  
Revolving loan facility, maximum borrowing capacity               $ 11,000,000  
Main Street Term Loan $ 9,000,000   $ 9,000,000           $ 9,000,000
Main Street Capital Corporation [Member] | Revolving Credit Facility [Member]                  
Debt Instrument [Line Items]                  
Revolving loan facility, maximum borrowing capacity               $ 2,000,000  
Repayments of revolving loan, based on excess cash flow 79,000   215,000            
Repayments of revolving loan $ 0   $ 164,000