Annual report pursuant to Section 13 and 15(d)

Equipois Acquisition (Details Textual)

v3.8.0.1
Equipois Acquisition (Details Textual) - USD ($)
$ / shares in Units, shares in Thousands, $ in Thousands
 12 Months Ended
May 02, 2017
Dec. 31, 2017
Dec. 31, 2016
Dec. 31, 2015
Business Acquisition [Line Items]        
Stock Issued During Period, Shares, Acquisitions     112  
Business Combination, Contingent Consideration, Liability   $ 768    
Business Combination, Contingent Consideration Arrangements, Range of Outcomes, Value, Low     $ 157  
Business Combination, Contingent Consideration Arrangements, Range of Outcomes, Value, High     521  
Fair Value Inputs, Discount Rate       15.00%
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill, Total   $ 1,610    
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life   3 years    
Amortization of Intangible Assets   $ 535 558 $ 26
Goodwill   189 189  
Business Combination, Consideration Transferred, Total   1,839   1,839
Change In Fair Value Contingent Liabilities   332 196 $ 0
Stock Issued During Period, Value, Acquisitions   $ 500    
Business Acquisition, Share Price   $ 7.00    
Reseller Agreement [Member]        
Business Acquisition [Line Items]        
Business Combination, Contingent Consideration Arrangements, Range of Outcomes, Value, High   $ 125    
Other Current Liabilities [Member]        
Business Acquisition [Line Items]        
Business Combination, Contingent Consideration, Liability, Current     355  
Equipois, LLC [Member]        
Business Acquisition [Line Items]        
Business Acquisition, Name of Acquired Entity       Equipois, LLC,
Payments to Acquire Businesses, Gross $ 237     $ 1,100
Business Combination, Contingent Consideration, Liability     500  
Business Combination, Contingent Consideration Arrangements, Range of Outcomes, Value, Low     125  
Business Combination, Contingent Consideration Arrangements, Range of Outcomes, Value, High     375  
Business Combination, Contingent Consideration Arrangements, Change in Range of Outcomes, Contingent Consideration, Liability, Significant Inputs   (a) 7.5 multiplied by 10% of specified product revenues of Equipois during the preceding four complete quarters, plus (b) 7.5 multiplied by 5% of specified product revenues of the Company during the preceding four complete quarters.    
Goodwill   $ 189   $ 189
Finite-Lived Intangible Assets, Amortization Expense, Next Twelve Months   491    
Change In Fair Value Contingent Liabilities   137    
Business Combination, Contingent Consideration, Liability, Current   $ 38 $ 355  
Stock Issued During Period, Share, Equiposis Supply and Sales Earnouts 90      
Gain on Business Combination $ 118