Summary of Significant Accounting Policies (Details) - shares	9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018
Potentially dilute securities excluded from calculation	374,911	419,152
Convertible Preferred Stock [Member]
Potentially dilute securities excluded from calculation	688	688
Warrants To Purchase Common Stock [Member]
Potentially dilute securities excluded from calculation	285,273	294,072
Options To Purchase Common Stock [Member]
Potentially dilute securities excluded from calculation	88,950	124,392