Quarterly report pursuant to Section 13 or 15(d)

Basis of Presentation and Summary of Significant Accounting Policies and Estimates (Details Textual)

v3.7.0.1
Basis of Presentation and Summary of Significant Accounting Policies and Estimates (Details Textual) - USD ($)
$ / shares in Units, $ in Thousands
3 Months Ended 6 Months Ended 12 Months Ended
Jun. 30, 2017
Jun. 30, 2016
Jun. 30, 2017
Jun. 30, 2016
Dec. 31, 2016
Dec. 31, 2015
Jan. 31, 2017
Accounting Standards Update 2016-09 [Member]              
Significant Accounting Policies [Line Items]              
New Accounting Pronouncement or Change in Accounting Principle, Cumulative Effect of Change on Equity or Net Assets             $ 171
Medical Device [Member]              
Significant Accounting Policies [Line Items]              
Deferred Revenue, Revenue Recognized           $ 6,517  
Cost of Revenue           $ 4,159  
Product Liability Accrual, Component Amount   $ 212   $ 212      
Customer Advances and Deposits, Current   $ 911   911      
Reduction In Net Loss Attributable To Common Stock Holders       $ 2,358      
Reduction Percentage In Net Loss Attributable To Common Stock Holders       $ 0.13      
Customer One [Member] | Accounts Receivable [Member]              
Significant Accounting Policies [Line Items]              
Concentration Risk, Percentage     13.00%   18.00%    
Customer One [Member] | Sales Revenue, Net [Member]              
Significant Accounting Policies [Line Items]              
Concentration Risk, Percentage 12.00% 11.00% 14.00%        
Customer Two [Member] | Accounts Receivable [Member]              
Significant Accounting Policies [Line Items]              
Concentration Risk, Percentage         16.00%    
Customer Two [Member] | Sales Revenue, Net [Member]              
Significant Accounting Policies [Line Items]              
Concentration Risk, Percentage 10.00% 12.00%          
Customer Three [Member] | Accounts Receivable [Member]              
Significant Accounting Policies [Line Items]              
Concentration Risk, Percentage         11.00%    
Customer Concentration Risk [Member] | Accounts Receivable [Member]              
Significant Accounting Policies [Line Items]              
Concentration Risk, Percentage     10.00%        
Customer Concentration Risk [Member] | Sales Revenue, Net [Member]              
Significant Accounting Policies [Line Items]              
Concentration Risk, Percentage 10.00%   10.00%