Annual report pursuant to Section 13 and 15(d)

16. Equity Transactions (Tables)

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16. Equity Transactions (Tables)
12 Months Ended
Dec. 31, 2015
Equity Transactions Tables  
Schedule of preferred stock
    Series A-1 Preferred Stock     Series A-2 Preferred Stock     Series A-4 Preferred Stock     Series B-2 Preferred Stock     Total  
    Shares           Shares           Shares           Shares           Shares        
Balance at December 31, 2013     2,375     $ 24       2,625     $ 26       45     $ -       18,480     $ 185       23,525     $ 235  
Issuance of shares for cash                                                     4,358       44       4,358       43.6  
Conversion of preferred stock into common stock                                                     (1,090 )     (11 )     (1,090 )     (11 )
Balance at December 31, 2014     2,375       24       2,625       26       45       -       21,748       218       26,793       268  
Conversion of preferred stock into common stock                                                     (3,469 )     (34 )     (3,469 )     (34 )
Balance at December 31, 2015     2,375     $ 24       2,625     $ 26       45     $ -       18,279     $ 184       23,324     $ 234  
Schedule of warrants
    Number of Warrants     Per Share Exercise Price     Weighted Average Exercise Price  
Outstanding at December 31, 2013     4,016,075     $0.50 to $83.50     $ 6.25  
Granted in 2014     402,997     $6.25     $ 6.25  
Expired in 2014     (253,964 )   $5.50 to $83.50     $ 21.18  
Exercised in 2014     -     -       -  
Outstanding at December 31, 2014     4,165,108     $0.50 to $10.50     $ 5.48  
Granted in 2015     -     -     $ -  
Expired in 2015     (425,015 )   $7.0 to $10.50     $ 9.30  
Exercised in 2015     (728,333 )   $0.50     $ 0.50  
Outstanding at December 31, 2015     3,011,760     $3.95 to $10.15     $ 6.14