Quarterly report pursuant to Section 13 or 15(d)

Revenue from contracts with customers (Details)

v3.10.0.1
Revenue from contracts with customers (Details) - USD ($)
$ in Thousands
 3 Months Ended 9 Months Ended
Sep. 30, 2018
Sep. 30, 2017
Sep. 30, 2018
Sep. 30, 2017
Jan. 01, 2018
Dec. 31, 2017
Liabilities            
Deferred license revenue, current $ 241   $ 241     $ 115
Deferred license revenue, long-term 1,663   1,663     1,222
Equity            
Accumulated deficit (31,927)   (31,927)     (31,979)
Revenues            
Management, license and incentive fee revenues 2,688 $ 2,479 7,832 $ 7,577    
Net (loss) income (209) $ (1,013) 222 $ (3,797)    
Previously Reported [Member]            
Liabilities            
Deferred license revenue, current           115
Deferred license revenue, long-term           1,222
Equity            
Accumulated deficit           (31,979)
Revenues            
Management, license and incentive fee revenues 2,688   7,832      
Net (loss) income (209)   222      
Restatement Adjustment [Member]            
Liabilities            
Deferred license revenue, current         $ 215  
Deferred license revenue, long-term         1,176  
Equity            
Accumulated deficit         (32,033)  
Adoption of ASC 606 [Member]            
Equity            
Accumulated deficit         $ 100  
Revenues            
Management, license and incentive fee revenues 3,014   8,101      
Net (loss) income 117   491      
Asc 606 Adjustments [Member]            
Liabilities            
Deferred license revenue, current           100
Deferred license revenue, long-term           (46)
Equity            
Accumulated deficit           $ (54)
Revenues            
Management, license and incentive fee revenues (326)   (269)      
Net (loss) income $ (326)   $ (269)