Note 2. Liquidity (Detail) (USD $)	6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Dec. 31, 2011	Mar. 31, 2011	Dec. 31, 2010	Dec. 21, 2010
Cash and Cash Equivalents, at Carrying Value	$ 1,651,000	$ 3,387,000	$ 2,914,000		$ 5,116,000
Line of Credit Facility, Remaining Borrowing Capacity	2,500,000
Line of Credit Facility, Maximum Borrowing Capacity	3,000,000					3,000,000
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest	(1,323,000)	(1,980,000)
Working Capital	3,192,000
Line of Credit Facility, Amount Outstanding	$ 500,000			$ 500,000