Stockholders' Deficit and Loss Per Share (Details) - USD ($)		1 Months Ended	6 Months Ended
	Apr. 05, 2019	Apr. 30, 2019	Jun. 30, 2019	Jun. 30, 2018	Feb. 05, 2019	Dec. 31, 2018
Stockholders' Deficit and Loss Per Share (Details) [Line Items]
Proceeds From Issuance Of Rights Offering (in Dollars)		$ 2,500,000	$ 2,428,000
Convertible Preferred Stock [Member] | Series B Preferred Stock [Member]
Stockholders' Deficit and Loss Per Share (Details) [Line Items]
Preferred Stock, Amount of Preferred Dividends in Arrears (in Dollars)			$ 5,000	$ 41,000
Preferred Stock, Dividends Per Share, Declared (in Dollars per share)			$ 4.60
Dividends Payable, Date Declared			Mar. 29, 2019
Dividends, Preferred Stock (in Dollars)			$ 73,000
Dividends Payable, Date to be Paid			Apr. 02, 2019
Preferred Stock, Shares Outstanding			648	16,512		16,512
Common Stock [Member]
Stockholders' Deficit and Loss Per Share (Details) [Line Items]
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount			64,800	330,240
Warrant [Member]
Stockholders' Deficit and Loss Per Share (Details) [Line Items]
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount			10,000	52,000
Class of Warrant or Right, Outstanding			10,000
Warrant [Member] | Common Stock [Member]
Stockholders' Deficit and Loss Per Share (Details) [Line Items]
Incremental Common Shares Attributable to Dilutive Effect of Call Options and Warrants			250,000
Rights Offering [Member] | Common Stock [Member]
Stockholders' Deficit and Loss Per Share (Details) [Line Items]
Shares Issued, Price Per Share (in Dollars per share)					$ 1.00
Stock Issued During Period Shares Rights Offering	2,500,000
Proceeds From Issuance Of Rights Offering (in Dollars)	$ 2,500,000
Payments of Stock Issuance Costs (in Dollars)	$ 72,000