Quarterly report pursuant to Section 13 or 15(d)

Notes Payable (Schedule of future obligations under debt instruments) (Details)

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Notes Payable (Schedule of future obligations under debt instruments) (Details) - USD ($)
$ in Thousands
Jun. 30, 2015
Dec. 31, 2014
Future obligations under debt instruments    
2015 (remainder) $ 27  
2016 53  
2017 23  
Total minimum payments 103  
Less: interest (7)  
Present value minimum payments 96  
Less: current portion (43) $ (41)
Long-term portion of notes payable 53 $ 77
Capital Lease [Member]    
Future obligations under debt instruments    
2015 (remainder) 3  
2016 5  
2017 4  
Total minimum payments 12  
Less: interest (1)  
Present value minimum payments $ 11  
Less: current portion    
Long-term portion of notes payable $ 11  
Leasehold Improvement Note [Member]    
Future obligations under debt instruments    
2015 (remainder) 24  
2016 48  
2017 19  
Total minimum payments 91  
Less: interest (6)  
Present value minimum payments 85  
Less: current portion (43)  
Long-term portion of notes payable $ 42