CONSOLIDATED STATEMENT OF STOCKHOLDERS' EQUITY (USD $)	Common Stock [Member]	Additional Paid-in Capital [Member]	Accumulated Deficit [Member]	Treasury Stock [Member]	Total
Balance at Dec. 31, 2010	$ 1,000	$ 114,990,000	$ (109,713,000)	$ (328,000)	$ 4,950,000
Balance (in shares) at Dec. 31, 2010	11,677,000
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Common stock issued on exercise of options	0	217,000	0	0	217,000
Common stock issued on exercise of options (in shares)	350,000
Employee stock-based compensation expense	0	55,000	0	0	55,000
Employee stock-based compensation expense (in shares)	0
Common stock issued or issuable for directors' fees	0	71,000	0	0	71,000
Common stock issued or issuable for directors' fees (in shares)	90,000
Net (loss) income	0	0	(2,657,000)	0	(2,657,000)
Balance at Dec. 31, 2011	1,000	115,333,000	(112,370,000)	(328,000)	2,636,000
Balance (in shares) at Dec. 31, 2011	12,117,000
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of common stock in settlement of accrued director fees	0	277,000	0	0	277,000
Issuance of common stock in settlement of accrued director fees (in shares)	261,000
Employee stock-based compensation expense	0	98,000	0	0	98,000
Employee stock-based compensation expense (in shares)	0
Common stock issued or issuable for directors' fees	0	65,000	0	0	65,000
Common stock issued or issuable for directors' fees (in shares)	90,000
Net (loss) income	0	0	465,000	0	465,000
Balance at Dec. 31, 2012	$ 1,000	$ 115,773,000	$ (111,905,000)	$ (328,000)	$ 3,541,000
Balance (in shares) at Dec. 31, 2012	12,468,000