Annual report pursuant to Section 13 and 15(d)

NEW ACCOUNTING STANDARDS IMPLMEMENTED (Details Textual)

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NEW ACCOUNTING STANDARDS IMPLMEMENTED (Details Textual) - USD ($)
 3 Months Ended 12 Months Ended
Jan. 02, 2018
Dec. 31, 2018
Sep. 30, 2018
 [1]
Jun. 30, 2018
 [1]
Mar. 31, 2018
 [1]
Dec. 31, 2017
Sep. 30, 2017
 [1]
Jun. 30, 2017
 [1]
Mar. 31, 2017
 [1]
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Jan. 01, 2018
Oct. 16, 2017
Revenues                   $ 2,998,000 $ 837,000 $ 889,000    
Restricted Cash and Cash Equivalents   $ 560,000       $ 280,000       560,000 280,000 0 $ 280,000  
Deferred Revenue, Current   296,000       3,214,000       296,000 3,214,000   0  
Accounting Standards Update 2014-09 [Member]                            
Stockholders' Equity, Period Increase (Decrease) $ 6,275,000                          
Foundation revenues [Member]                            
Revenues   369,000 [1],[2] $ 1,687,000 [2] $ 259,000 [2] $ 481,000 [2] 0 [1] $ 0 $ 0 $ 0 2,796,000 0 0    
Grants Receivable                           $ 13,850,000
Revenue, Remaining Performance Obligation, Amount   296,000               296,000        
License revenues [Member]                            
Revenues   0 [1] $ 0 $ 0 $ 0 150,000 [1] $ 151,000 $ 150,000 $ 151,000 0 602,000 $ 602,000    
Deferred Revenue, Current   602,000       3,664,000       602,000 3,664,000      
Deferred Revenue                         3,664,000  
Foundation revenues [Member]                            
Revenues                   2,796,000        
Deferred Revenue, Current   $ 5,706,000       $ 2,611,000       $ 5,706,000 $ 2,611,000   $ 2,611,000  
[1] Effective January 1, 2018, we adopted ASU 2014-09, Revenue from Contracts with Customers, as amended (ASC 606)), using the modified retrospective transition method. The ASC 606 revenue recognition standard replaced the prior revenue recognition standard ASC 605, Revenue Recognition. The statement of operations for each of the quarterly periods in 2018 are presented under ASC 606, while the statement of operations for each of the quarterly periods of 2017 are presented under ASC 605.
[2] We have adjusted the amounts originally reported for the quarters ended March 31, 2018 and June 30, 2018 to correct for an error in the determination of the cumulative effect related to the adoption of ASC 606 as of January 1, 2018. The adjusted amounts for March 31, 2018 reflect a $2,067,000 reduction in foundation revenues and corresponding increases in the loss from operations and net loss of  $2,067,000 and an increase in the diluted loss per share of  $0.04, as compared to the originally reported amounts. The adjusted amounts for June 30, 2018 reflect a $543,000 reduction in foundation revenues and corresponding increases in the loss from operations and net loss of  $543,000 and an increase in the diluted loss per share of  $0.01, as compared to the originally reported amounts.