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Other Financial Statement Information (Tables)
 12 Months Ended
Dec. 31, 2015
Other Financial Statement Information [Abstract]  
Schedule of inventories
  December 31,  December 31, 
  2015  2014 
Finished goods $69  $531 
Work-in-process  13   208 
Total inventories $82  $739 
Summary of supplemental cash flow information
Supplemental Cash Flow Information:   December 31,  
    2015     2014  
Cash paid for interest   $ 150     $ 18  
Cash paid for taxes   $ 38       -  
Non-cash Investing and Financing Activities                
Non-cash conversion of borrowings from affiliate to equity     -     $ 2,126  
Leasehold improvements paid for by landlord allowance     -     $ 344  
Noncash preferred stock dividends   $ 344     $ 112  
Adjustment for options issued due to merger with Wireless Ronin Technologies, Inc.   $ (212 )     -  
Issuance of notes in lieu of interest   $ 5       -  
Exchange of warrants for common stock   $ 9          
Issuance of stock upon conversion of preferred stock   $ 78       -  
Common and preferred shares issued for ConeXus merger   5,184       -  
Common shares, stock options and warrants issued for Wireless Ronin merger   -       11,919