Net Loss Per Common Share (Tables)

12 Months Ended

Dec. 31, 2015

Antidilutive Securities Excluded from Computation of Earnings Per Share [Table Text Block]

	December 31,	December 31,
	2015	2014
Warrants	2,191,487	2,191,487
Options	1,734,429	1,800,226
Series A Preferred Stock	933,333	933,333
Series E Preferred Stock	7,254,997	7,365,283
Convertible promissory note and interest	1,964,337	1,895,765
Total	14,078,583	14,186,094

Unissued Common Stock for Possible Future Issuance [Table Text Block]

	December 31,	December 31,
	2015	2014
Exercise of stock warrants	2,191,487	2,191,487
Exercise and future grants of stock options	3,928,870	3,986,074
Conversion of preferred stock	8,188,330	8,298,616
Issuable shares from conversion of promissory notes and interest	1,964,337	1,895,765
Total	16,273,024	16,371,942