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Debt (Narrative) (Details) - USD ($)
3 Months Ended 6 Months Ended 14 Months Ended 36 Months Ended
Jun. 30, 2015
Jun. 30, 2014
Jun. 30, 2015
Jun. 30, 2014
Apr. 15, 2015
Aug. 15, 2018
Mar. 01, 2015
Feb. 28, 2015
Dec. 31, 2014
Oct. 31, 2013
Debt Instrument [Line Items]                    
Deferred financing costs $ 161,000   $ 161,000           $ 192,000  
Amortization of financing costs 23,000 $ 22,000 45,000 $ 44,000            
Current portion of long-term debt 100,000   100,000           400,000  
Prepaid Expenses and Other Current Assets [Member]                    
Debt Instrument [Line Items]                    
Unamortized debt issuance expense 78,000   78,000           84,000  
Comerica Term Loan [Member] | February 15, 2014 to April 15, 2015 [Member]                    
Debt Instrument [Line Items]                    
Debt instrument, principal payment as percentage of excess cash flow (percent)         33.00%          
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
Net payments on revolving loan facility     100,000              
Repayments of revolving loan, based on excess cash flow 136,000   136,000              
Repayments of revolving loan $ 164,000   $ 164,000