Annual report pursuant to Section 13 and 15(d)

Subsequent Events (Details Narrative)

v3.10.0.1
Subsequent Events (Details Narrative) - USD ($)
$ / shares in Units, $ in Thousands
 1 Months Ended 12 Months Ended
Feb. 04, 2019
Jan. 24, 2019
Aug. 07, 2015
Feb. 28, 2019
Feb. 21, 2019
Jan. 31, 2019
Jul. 31, 2018
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Feb. 27, 2019
Jan. 21, 2019
Gross proceeds from common stock issuance               $ 28,753 $ 25,325 $ 30,709    
Amortization of debt discount               $ 2,006 $ 360 $ 54    
Payments for Rent     $ 37       $ 9          
Options granted (in shares)               1,269,925 134,933      
Warrant Exercise Price (in dollars per share)               $ 6.00        
Subsequent Event                        
Repayments of convertible debt   $ 6,700                    
Amortization of debt discount   2,600                    
Amortization of deferred financing expenses   $ 20                    
Subsequent Event | 2019 Public Offering                        
Number of shares issued (in shares)                       5,175,000
Stock price (dollars per share)                       $ 1.90
Gross proceeds from common stock issuance         $ 9,800              
Net proceeds from common stock issuance         $ 9,100              
Restricted Stock Units (RSUs) | Subsequent Event                        
Options granted (in shares)           748,531            
Scenario, Forecast                        
Payments for Rent $ 1,500                      
Affiliated Entity [Member] | Operations, Management and Maintenance contract | Subsequent Event                        
Initial term       2 years                
Number of shares issued in consideration (in shares)                     2,350,000  
Number of shares issued in consideration quarterly installments (in shares)                     293,750  
Quarterly share price maximum (in dollars per share)                     $ 2.41  
Maximum market cap                     $ 1,250  
Affiliated Entity [Member] | Operations, Management and Maintenance Contract Year One | Subsequent Event                        
Number of shares issued at anniversary (in shares)                     2,000,000  
Warrant Exercise Price (in dollars per share)                     $ 5.00  
Affiliated Entity [Member] | Operations, Management and Maintenance Contract Year Two | Subsequent Event                        
Number of shares issued at anniversary (in shares)                     2,000,000  
Warrant Exercise Price (in dollars per share)                     $ 7.00