Warrants (Tables)

12 Months Ended

Dec. 31, 2017

Warrants and Rights Note Disclosure [Abstract]

Summary of Warrants Activity

All of the warrants are fully vested and began expiring on March 24, 2013 with the remaining warrants expiring at various dates through October 1, 2019. Information concerning the Company’s warrant activity is as follows:

	2017						2016
	Warrants			Weighted Average Exercise Price			Warrants			Weighted Average Exercise Price
Outstanding, at the beginning of year		1,315,340		$	0.24			1,099,915		$	0.32
Granted		—			—			350,000			0.05
Exercised		—			—			—			—
Expired		(325,178	)		(0.35	)		(134,575	)		(0.39
Outstanding, at the end of year		990,162		$	0.20			1,315,340		$	0.24

Summary of Warrants Outstanding by Price Range

	Warrants Outstanding – December 31, 2017
Range of Exercise Price	Number Outstanding		Remaining Average Contractual Life (In Years)		Weighted Average Exercise Price
$0.05 -$0.35		990,162		1.92		$0.20
Totals		990,162		1.92		$0.20