Quarterly report pursuant to Section 13 or 15(d)

Summary of Significant Accounting Policies (Details Textual)

v3.4.0.3
Summary of Significant Accounting Policies (Details Textual) - USD ($)
$ in Thousands
1 Months Ended 3 Months Ended
Jul. 31, 2014
Apr. 30, 2014
Mar. 31, 2016
Mar. 31, 2015
Mar. 31, 2014
Dec. 31, 2015
Dec. 31, 2011
Summary of Significant Accounting Policies (Textual)              
Cash     $ 5,217     $ 879  
Cash equivalents          
Bad debt expense     $ 0 $ 0      
Estimated useful lives of fixed assets     3 to 7 years        
Intellectual property asset, fair value             $ 2,000
Estimated useful life of intangible assets 10 years            
Intangible asset acquired $ 101            
Discount Rate 10.00%            
Amortization expense for remaining 9-months of 2016     $ 158        
Amortization expense for intangible assets year one           $ 210  
Amortization expense for intangible assets, year two           210  
Amortization expense for intangible assets, year three           210  
Amortization expense for intangible assets, year four           210  
Amortization expense for intangible assets, year five           $ 210  
Shipping and handling costs     $ 8 $ 0      
Anti-dilutive excluded from diluted net loss per share computation     1,704,421 1,447,115      
Impairment losses     $ 44    
Advertising and promotional costs     $ 118 $ 186      
Convertible promissory note [Member]              
Summary of Significant Accounting Policies (Textual)              
Anti-dilutive excluded from diluted net loss per share computation     213,903        
Patents [Member]              
Summary of Significant Accounting Policies (Textual)              
Estimated useful life of intangible assets 20 years            
Intellectual property [Member]              
Summary of Significant Accounting Policies (Textual)              
Estimated useful life of intangible assets   10 years          
Unvested restricted stock awards [Member]              
Summary of Significant Accounting Policies (Textual)              
Anti-dilutive excluded from diluted net loss per share computation     16,300 18,050      
Stock option [Member]              
Summary of Significant Accounting Policies (Textual)              
Anti-dilutive excluded from diluted net loss per share computation     337,340 470,880      
Warrants [Member]              
Summary of Significant Accounting Policies (Textual)              
Anti-dilutive excluded from diluted net loss per share computation     1,136,878 958,185