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 6 Months Ended
Jun. 30, 2018
Jun. 30, 2017
Jun. 30, 2018
Jun. 30, 2017
Jan. 01, 2018
Dec. 31, 2017
Liabilities            
Deferred license revenue, current $ 215   $ 215     $ 115
Deferred license revenue, long-term 1,437   1,437     1,222
Equity            
Accumulated deficit (31,621)   (31,621)     (31,979)
Revenues            
Management, license and incentive fee revenues 2,708 $ 2,784 5,144 $ 5,098    
Net income 314 $ (2,184) 432 $ (2,784)    
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 2,708   5,144      
Net income 314   432      
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 2,680   5,087      
Net income 286   375      
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 28   57      
Net income $ 28   $ 57