Quarterly report pursuant to Section 13 or 15(d) 03-31-2016

Debt (Details Narrative)

v3.4.0.3
Debt (Details Narrative) - USD ($)
$ in Thousands
3 Months Ended
Sep. 08, 2015
Jun. 30, 2014
Mar. 31, 2016
Dec. 31, 2015
Aug. 31, 2014
Debt principal amount     $ 15,981 $ 17,814  
Hercules Term Loan [Member]          
Debt principal amount     $ 15,218 17,051  
Term loan fee amount   $ 200      
Final payment fee for debt   $ 1,700      
Percentage of loan bear interest rate     12.70%    
Term loan, payment terms     Principal payments commenced August 1, 2015 and are to be made in 30 equal installments of approximately $700,000, with the remainder due at maturity.    
Debt instrument, periodic payment, principal     $ 700    
Hercules Term Loan [Member] | Prime Rate [Member]          
Percentage of loan bear interest rate   9.20% 12.50%    
Riverside Merchant Partners, LLC [Member]          
Debt principal amount     $ 3,000    
Subordinated convertible promissory notes     3,000    
Magna Note [Member]          
Debt principal amount     763 $ 763  
Magna Note [Member] | Securities Purchase Agreement [Member]          
Debt principal amount     $ 763   $ 3,500
Debt maturity date     Aug. 11, 2016    
Percentage of loan bear interest rate     6.00%    
First Amendment to Loan and Security Agreement [Member] | Hercules Term Loan [Member]          
Debt principal amount $ 1,000   $ 7,000    
Debt instrument, covenant description The Amendment modified the liquidity covenant to reduce the minimum cash balance required by $500,000 for every $1.0 million paid in principal to a minimum of $2.5 million. The minimum cash and cash equivalents balance required to maintain compliance with the minimum liquidity covenant at March 31, 2016 was $7.0 million.        
Debt principal balance $ 2,500        
First Amendment to Loan and Security Agreement [Member] | Hercules Term Loan [Member] | Minimum [Member]          
Debt principal amount $ 500        
Hercules Technology Capital, Inc. [Member] | Loan and Security Agreement [Member]          
Debt principal amount   $ 20,000      
Debt maturity date   Jan. 01, 2018      
Hercules Term Loan [Member] | Riverside Merchant Partners, LLC [Member]          
Debt principal amount     $ 3,000