Net Loss Per Common Share (Details) - shares	6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017
Weighted Average Number Diluted Shares Outstanding Adjustment	4,227,000	4,207,000
Warrant [Member]
Weighted Average Number Diluted Shares Outstanding Adjustment	2,000,000	2,060,000
Employee Stock Option [Member]
Weighted Average Number Diluted Shares Outstanding Adjustment	2,227,000	2,147,000