Fair Value Measurement and Fair Value of Financial Instruments - Carrying Amounts and Fair Values of Company's Debt Obligations (Details) (USD $)	Jun. 30, 2014	Dec. 31, 2013	Oct. 03, 2012
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Term loan	$ 6,000,000	$ 6,000,000
Subordinated notes payable	4,000,000	4,000,000	4,000,000
Related party subordinated notes payable	0	500,000
Total debt obligations	10,000,000	10,500,000
Term loan, fair value	6,000,000	6,000,000
Subordinated notes payable, fair value	4,000,000	4,000,000
Related party subordinated notes payable, fair value		500,000
Total debt obligations, fair value	$ 10,000,000	$ 10,500,000