Long-Term Debt - Additional Information (Details) (USD $)
3 Months Ended 1 Months Ended
Mar. 31, 2015
Jun. 30, 2014
Mar. 31, 2014
Dec. 31, 2011
Sep. 30, 2013
May 31, 2013
First Hercules Warrant            
Debt Instrument [Line Items]            
Exercisable, share of common stock 39,038          
Warrants issued, per share $ 10.25          
Exercise price of warrant $ 6.11          
Second Hercules Warrant            
Debt Instrument [Line Items]            
Exercisable, share of common stock   99,759        
Exercise price of warrant $ 6.11          
Devisable amount of common stock equal to quotient $ 609,533          
Warrant expire date May 31, 2023          
December 2011 Note            
Debt Instrument [Line Items]            
Loan and security agreement       20,000,000   15,000,000
Long-term debt, borrowed       10,000,000   5,200,000
Percentage of convertible notes 9.55%     9.55%    
Percentage of Long-term debt, interest of borrowing       3.25%    
Long-term debt, interest of borrowing interest at the greater of (i) 9.55%, or (ii) the sum of 9.55% plus the prime lending rate, as published by the Wall Street Journal, minus 3.25% per annum.          
Additional borrowing     3,000,000   10,000,000  
Extended date of additional borrowing Sep. 30, 2013   Dec. 26, 2014      
Amortization period of principal and interest payments 35 months          
Long term debt maturity date Apr. 01, 2018          
Long term debt maturity start date Jun. 01, 2015          
December 2011 Note | Credit Facility Mature December First Two Thousand Fifteen            
Debt Instrument [Line Items]            
Debt instrument, term fee 400,000          
Line of credit facility fees payment date description earliest to occur of (i) December 1, 2015, (ii) the date that the Company prepays all of the outstanding advances and accrued interest, or (iii) the date that all of the advances and interest become due and payable          
Line of credit facility fees repayment date Dec. 01, 2015          
December 2011 Note | Credit Facility Mature April First Two Thousand Eighteen            
Debt Instrument [Line Items]            
Debt instrument, term fee 100,000          
Line of credit facility fees payment date description earliest to occur of (i) April 1, 2018, (ii) the date that the Company prepays all of the outstanding advances and accrued interest, or (iii) the acceleration of the date that all of the advances and interest become due and payable          
Line of credit facility fees repayment date Apr. 01, 2018          
Line of credit facility, fees 100,000          
December 2011 Note | Credit Facility Mature June First Two Thousand Seventeen            
Debt Instrument [Line Items]            
Debt instrument, term fee 500,000          
Line of credit facility fees payment date description earliest to occur of (i) June 1, 2017, (ii) the date that the Company prepays all of the outstanding advances and accrued interest, or (iii) the date that all of the advances and interest become due and payable          
Line of credit facility fees repayment date Jun. 01, 2017          
Minimum | December 2011 Note            
Debt Instrument [Line Items]            
Additional borrowing 3,000,000          
Maximum | December 2011 Note            
Debt Instrument [Line Items]            
Additional borrowing $ 10,000,000