Consolidated Statement of Stockholders' Equity (Parentheticals)	12 Months Ended
	Dec. 31, 2017 USD ($) $ / shares shares
Common Stock [Member] | Issuance 1 [Member] | Board of Directors Chairman [Member]
Shares issued, price per share (in dollars per share)	$ 0.64
Common Stock [Member] | Issuance 2 [Member] | Board of Directors Chairman [Member]
Shares issued, price per share (in dollars per share)	0.35
Common Stock [Member]
Shares issued, price per share (in dollars per share)	$ 0.25
Shares issued, offering cost | $	$ 65,000
Preferred Stock [Member] | Convertible Preferred Stock [Member]
Shares issued, price per share (in dollars per share)	$ 1.20
Shares issued, offering cost | $	$ 127,736
Convertible Preferred shares, convertible securities (in shares) | shares	8,803,348
Shares issued, offering cost | $	$ 192,736