CONDENSED BALANCE SHEETS (Parenthetical) - USD ($)	Jun. 30, 2018	Dec. 31, 2017
STOCKHOLDERS' EQUITY:
Preferred Stock, Par Value	$ 1.00	$ 1.00
Preferred Stock, Shares Authorized	4,000,000	4,000,000
Preferred Stock, Liquidation Preference, Value	$ 3,656,200	$ 3,656,200
Common Stock, Par Value	$ 0.10	$ 0.10
Common Stock, Shares Authorized	200,000,000	200,000,000
Common Stock, Shares Issued	16,033,862	16,033,862
Common Stock, Shares, Outstanding	15,536,275	15,536,275
Treasury Stock, Par Value	$ 0.10	$ 0.10
Treasury Stock, Shares	497,587	497,587
Series A Convertible Preferred stock [Member]
STOCKHOLDERS' EQUITY:
Preferred Stock, Shares Authorized	50,000	50,000
Preferred Stock, Shares Issued	36,562	36,562
Preferred Stock, Shares Outstanding	36,562	36,562