General form of registration statement for all companies including face-amount certificate companies

Restatement of Condensed Consolidated Balance Sheet and Related Statements of Operations and Cash Flows - Schedule of Restatement (Details)

v3.8.0.1
Restatement of Condensed Consolidated Balance Sheet and Related Statements of Operations and Cash Flows - Schedule of Restatement (Details) - USD ($)
$ / shares in Units, $ in Thousands
3 Months Ended 9 Months Ended 12 Months Ended
Sep. 30, 2017
Sep. 30, 2016
Sep. 30, 2017
Sep. 30, 2016
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Total other income (expense), net $ 487 $ (1,980) $ 1,797 $ (5,447) $ (3,228) $ (11,871)  
Total net loss $ (2,069) (5,187) $ (4,284) (13,639) (14,763) (23,912)  
Deemed dividend related to beneficial conversion feature and accretion of a discount Series A preferred stock          
Net loss attributable to common stockholders $ (2,069) $ (11,465) $ (4,284) $ (19,917) $ (21,041) $ (23,912)  
Net loss per share attributable to common stockholders: Basic and diluted $ (0.68) $ (5.97) $ (1.47) $ (15.21) $ (13.63) $ (66.05)  
Weighted average common shares outstanding: Basic and diluted 3,022,073 1,920,745 2,918,240 1,309,286 1,543,735 362,021  
Common stock, $0.01 par value $ 30   $ 30   $ 22 $ 9  
Additional paid-in capital 225,733   225,733   222,513 210,760  
Accumulated deficit (215,323)   (215,323)   (211,300) (196,537)  
Total stockholders' equity 10,440   10,440   11,235 14,232 $ 6,907
Derivative liabilities, current portion 1,031   1,031   3,137  
Scenario, Previously Reported [Member]              
Total other income (expense), net (259) $ (1,131) (989) $ (4,598) (5,063)    
Total net loss $ (2,815)   $ (7,070)        
Total net loss/comprehensive loss   $ (4,338)   $ (12,790) $ (16,598)    
Deemed dividend related to beneficial conversion feature and accretion of a discount Series A preferred stock (2,499) (2,499) (6,278)    
Net loss attributable to common stockholders $ (2,815) $ (6,837) $ (7,070) $ (15,289) $ (22,876)    
Net loss per share attributable to common stockholders: Basic and diluted $ (0.93) $ (3.56) $ (2.42) $ (11.68) $ (14.82)    
Weighted average common shares outstanding: Basic and diluted 3,022,073 1,920,745 2,918,240 1,309,286 1,543,735    
Common stock, $0.01 par value $ 30 $ 22 $ 30 $ 22 $ 22    
Additional paid-in capital 231,647 226,630 231,647 226,630 227,486    
Accumulated deficit (220,206) (209,327) (220,206) (209,327) (213,135)    
Total stockholders' equity 11,471 17,325 11,471 17,325 14,373    
Derivative liabilities, current portion    
Restatement 1 - Accretion of a Discount [Member]              
Total other income (expense), net          
Total net loss/comprehensive loss          
Deemed dividend related to beneficial conversion feature and accretion of a discount Series A preferred stock   (3,779)   (3,779)      
Net loss attributable to common stockholders   $ (3,779)   $ (3,779)      
Net loss per share attributable to common stockholders: Basic and diluted   $ (1.97)   $ (2.88)      
Weighted average common shares outstanding: Basic and diluted          
Common stock, $0.01 par value          
Additional paid-in capital          
Accumulated deficit          
Total stockholders' equity          
Derivative liabilities, current portion          
As Restated After Restatement 1 [Member]              
Total other income (expense), net   (1,131)   (4,598)      
Total net loss/comprehensive loss   $ (4,338)   $ (12,790)      
Deemed dividend related to beneficial conversion feature and accretion of a discount Series A preferred stock   (6,278)   (6,278)      
Net loss attributable to common stockholders   $ (10,616)   $ (19,068)      
Net loss per share attributable to common stockholders: Basic and diluted   $ (5.53)   $ (14.56)      
Weighted average common shares outstanding: Basic and diluted   1,920,745   1,309,286      
Common stock, $0.01 par value   $ 22   $ 22      
Additional paid-in capital   226,630   226,630      
Accumulated deficit   (209,327)   (209,327)      
Total stockholders' equity   17,325   17,325      
Derivative liabilities, current portion          
Restatement 2 - Warrant Liability [Member]              
Total other income (expense), net   (849)   (849) 1,835    
Total net loss/comprehensive loss   $ (849)   $ (849) $ 1,835    
Deemed dividend related to beneficial conversion feature and accretion of a discount Series A preferred stock        
Net loss attributable to common stockholders   $ (849)   $ (849) $ 1,835    
Net loss per share attributable to common stockholders: Basic and diluted   $ (0.44)   $ (0.65) $ 1.19    
Weighted average common shares outstanding: Basic and diluted        
Common stock, $0.01 par value            
Additional paid-in capital   $ (4,973)   $ (4,973) (4,973)    
Accumulated deficit   (849)   (849) 1,835    
Total stockholders' equity   (5,822)   (5,822) (3,138)    
Derivative liabilities, current portion   5,822   5,822 3,137    
As Restated After Restatement 1 and 2 [Member]              
Total other income (expense), net   (1,980)     (3,228)    
Total net loss/comprehensive loss   $ (5,187)     $ (14,763)    
Deemed dividend related to beneficial conversion feature and accretion of a discount Series A preferred stock   (6,278)     (6,278)    
Net loss attributable to common stockholders   $ (11,465)     $ (21,041)    
Net loss per share attributable to common stockholders: Basic and diluted   $ (5.97)     $ (13.63)    
Weighted average common shares outstanding: Basic and diluted   1,920,745     1,543,735    
Common stock, $0.01 par value   $ 22   22 $ 22    
Additional paid-in capital   221,657   221,657 222,513    
Accumulated deficit   (210,176)   (210,176) (211,300)    
Total stockholders' equity   11,503   11,503 11,235    
Derivative liabilities, current portion   $ 5,822   5,822 $ 3,137    
As Restated After Restatement 1 and 2 [Member]              
Total other income (expense), net       (5,447)      
Total net loss/comprehensive loss       $ (13,639)      
Deemed dividend related to beneficial conversion feature and accretion of a discount Series A preferred stock       (6,278)      
Net loss attributable to common stockholders       $ (19,917)      
Net loss per share attributable to common stockholders: Basic and diluted       $ (15.21)      
Weighted average common shares outstanding: Basic and diluted       1,309,286