XML 43 R26.htm IDEA: XBRL DOCUMENT v3.8.0.1
Supplemental Cash Flow Statement Information (Tables)
 3 Months Ended
Mar. 31, 2018
Supplemental Cash Flow Statement Information [Abstract]  
Schedule of supplemental cash flow information
    Three Months Ended  
    March 31,  
    2018     2017  
Supplemental Cash Flow Information            
Non-cash Investing and Financing Activities            
Noncash preferred stock dividends       $ -     $ 113  
Issuance of stock upon conversion of preferred stock     $ -     $ 240  
Issuance of warrants with term loan extensions     $ 266     $ -