Quarterly report pursuant to Section 13 or 15(d)

Long-Term Debt (Details)

v2.4.0.8
Long-Term Debt (Details) (USD $)
In Thousands, unless otherwise specified
0 Months Ended 9 Months Ended 0 Months Ended 9 Months Ended 12 Months Ended
Sep. 30, 2013
Dec. 31, 2012
Aug. 09, 2011
Revolving credit agreement
Sep. 30, 2013
Revolving credit agreement
Aug. 08, 2013
Revolving credit agreement
Aug. 09, 2011
Term loan
Sep. 30, 2013
Term loan
Dec. 31, 2012
Term loan
Long-term debt                
Maximum borrowing capacity     $ 15,000 $ 25,000 $ 25,000      
Variable rate basis     LIBOR LIBOR   LIBOR LIBOR LIBOR
Margin on variable rate (as a percent)     1.25% 1.50%   1.25% 1.50% 1.50%
Annual commitment fee (as a percent)     0.25% 0.25%        
Face amount           10,000 10,000 10,000
Monthly installments, including interest             284 284
Total long-term debt       10,000     3,110 5,620
Less current installments (3,110) (3,350)         (3,110) (3,350)
Long-term debt less current installments $ 10,000 $ 2,270           $ 2,270