Annual report pursuant to Section 13 and 15(d)

10. Stock Options and Warrants (Details-Options Outstanding)

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10. Stock Options and Warrants (Details-Options Outstanding) - Options [Member] - $ / shares
12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Beginning Balance 21,052,030 20,309,308 27,278,098
Granted 838,552 852,122 207,819
Exercised 0 (20,000) (115,000)
Forfeited (355,434) (90,000) (7,061,009)
Ending Balance 21,535,148 21,052,030 20,309,308
Weighted Average Exercise Price, Outstanding Beginning Balance $ 0.20 $ 0.28 $ 0.27
Weighted Average Exercise Price, Granted $ .46 0.80 1.17
Weighted Average Exercise Price, Exercised 0.30 0.60
Weighted Average Exercise Price, Forfeited $ .72 0.91 0.25
Weighted Average Exercise Price, Outstanding Ending Balance $ .30 $ 0.20 $ 0.28