STATEMENTS OF STOCKHOLDERS' EQUITY (USD $) In Thousands, except Share data, unless otherwise specified	Common Stock [Member]	Additional Paid-In Capital [Member]	Accumulated Deficit [Member]	Treasury Stock [Member]	Total
Balance at Dec. 31, 2012	$ 1	$ 115,773	$ (111,905)	$ (328)	$ 3,541
Balance (in shares) at Dec. 31, 2012	12,468,000
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of common stock in settlement of accrued directors' fees	0	20	0	0	20
Issuance of common stock in settlement of accrued directors' fees (in shares)	21,000
Common stock issued on cashless exercise of options	0	0	0	0	0
Common stock issued on cashless exercise of options (in shares)	50,000
Employee stock based compensation expense	0	109	0	0	109
Employee stock based compensation expense (in shares)	0
Common stock issued or issuable for directors' fees	0	80	0	0	80
Common stock issued or issuable for directors' fees (in shares)	109,000
Net income	0	0	164	0	164
Balance at Dec. 31, 2013	1	115,982	(111,741)	(328)	3,914
Balance (in shares) at Dec. 31, 2013	12,648,000
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Employee stock based compensation expense	0	112	0	0	112
Employee stock based compensation expense (in shares)	0
Common stock issued or issuable for directors' fees	0	67	0	0	67
Common stock issued or issuable for directors' fees (in shares)	72,000
Net income	0	0	106	0	106
Balance at Dec. 31, 2014	$ 1	$ 116,161	$ (111,635)	$ (328)	$ 4,199
Balance (in shares) at Dec. 31, 2014	12,720,000