Net Loss Per Common Share (Details) - shares	6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016
Weighted Average Number Diluted Shares Outstanding Adjustment	4,207,000	4,572,000
Warrant [Member]
Weighted Average Number Diluted Shares Outstanding Adjustment	2,060,000	2,385,000
Employee Stock Option [Member]
Weighted Average Number Diluted Shares Outstanding Adjustment	2,147,000	2,187,000