XML 56 R24.htm IDEA: XBRL DOCUMENT v3.19.3
Basis of Presentation and New Accounting Standards (Details)
$ / shares in Units, $ in Thousands
 9 Months Ended
Aug. 05, 2019
$ / shares
shares
Apr. 25, 2019
USD ($)
Apr. 24, 2019
USD ($)
May 23, 2018
$ / shares
shares
Sep. 30, 2019
USD ($)
$ / shares
shares
Sep. 30, 2018
USD ($)
Aug. 06, 2019
shares
Dec. 31, 2018
$ / shares
shares
May 24, 2018
shares
Basis Of Presentation And New Accounting Standards [Line Items]                  
Cash proceeds from sale of subsidiary | $         $ 2,789 $ 0      
Reverse stock split of common stock 0.02     0.1          
Common stock, par value (in dollars per share) | $ / shares $ 0.001     $ 0.001 $ 0.001     $ 0.001  
Common stock, shares authorized (in shares) | shares       75,000,000 100,000,000     100,000,000 100,000,000
Common stock, shares issued (in shares) | shares       61,600,000 2,841,588     296,609 6,200,000
Common stock, shares outstanding (in shares) | shares       61,600,000 2,841,588     296,609 6,200,000
Number of shares callable by warrants (in shares) | shares       23,400,000 50       2,300,000
Common stock, reverse stock split, fractional shares issued | shares 0     0          
Reverse stock split effective date for trading purposes Aug. 06, 2019                
Reverse stock split of common stock description Upon effectiveness, each 50 shares of issued and outstanding common stock were converted into one newly issued and outstanding share of common stock.                
Preferred stock, shares authorized (in shares) | shares 5,000,000       5,000,000   5,000,000 5,000,000  
Operating lease right-of-use assets | $         $ 818        
Operating lease, liability | $         $ 840        
2014 Equity Incentive Plan [Member]                  
Basis Of Presentation And New Accounting Standards [Line Items]                  
Number of shares callable by warrants (in shares) | shares       9,100,000         900,000
Sale of UK Subsidiary and Certain Assets [Member] | Loan and Security Agreement [Member]                  
Basis Of Presentation And New Accounting Standards [Line Items]                  
Cash proceeds from sale of subsidiary | $     $ 4,000            
Payments for principal, interest and fees | $     $ 1,700            
Sale of the Japanese Subsidiary and Certain Assets [Member] | Loan and Security Agreement [Member]                  
Basis Of Presentation And New Accounting Standards [Line Items]                  
Cash proceeds from sale of subsidiary | $   $ 3,000              
Payments for principal, interest and fees | $   $ 1,400