Consolidated Statement of Stockholders' Equity (USD $) In Thousands	Common Stock [Member]	Additional Paid-In Capital [Member]	Accumulated Other Comprehensive Income (Loss) [Member]	Accumulated Deficit [Member]	Treasury Stock [Member]	Total
Balance at Dec. 31, 2011	$ 589	$ 102,323	$ 0	$ (85,338)	$ (17)	$ 17,557
Balance (in shares) at Dec. 31, 2011	58,946,441
Stock-based compensation (see note 6)	0	8	0	0	0	8
Unrealized loss on short-term investments	0	0	(10)	0	0	(10)
Net loss	0	0	0	(533)	0	(533)
Balance at Mar. 31, 2012	$ 589	$ 102,331	$ (10)	$ (85,871)	$ (17)	$ 17,022
Balance (in shares) at Mar. 31, 2012	58,946,441