Note 5 - Stock Options and Warrants

3 Months Ended

Mar. 31, 2018

Guarantees [Abstract]

Stock Options and Warrants

Stock Options

The following table summarizes stock option transactions for the quarter ended March 31, 2018:

	Number of Options		Weighted Average Exercise Price
Outstanding, December 31, 2017		1,246	$	1,428.00
Granted		—		—
Exercised		—		—
Expired		—		—
Outstanding, March 31, 2018		1,246	$	1,428.00
Exercisable, March 31, 2018		1,246	$	1,428.00

Common Stock Warrants

Warrant transactions for the quarter ended March 31, 2018 are as follows:

		Number of Warrants		Weighted Average Exercise Price
Outstanding at December 31, 2017:			—	$	—
	Granted		1,694,440		4.58
	Forfeited		—		—
	Exercised		—		—
	Outstanding at March 31, 2018		1,694,440	$	4.58
	Exercisable at March 31, 2018		1,694,440	$	4.58