Quarterly report pursuant to Section 13 or 15(d)

I. STOCK OPTIONS AND WARRANTS (Details-Option Activity)

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I. STOCK OPTIONS AND WARRANTS (Details-Option Activity) - Employee Stock Options [Member] - $ / shares
3 Months Ended 12 Months Ended
Mar. 31, 2019
Dec. 31, 2018
Number of shares    
Number of shares - beginning balance 3,349,793 4,376,474
Number of shares - granted 0 67,394
Number of shares - exercised 0 0
Number of shares - cancelled or expired 0 (1,094,075)
Number of shares - ending balance 3,349,793 3,349,793
Weighted Average Price Per Share    
Weighted average price per share - beginning balance $ 0.16 $ 0.18
Weighted average price per share - granted 0.14
Weighted average price per share - exercised
Weighted average price per share - cancelled or expired 0.17
Weighted average price per share - ending balance $ 0.16 $ 0.16