CONDENSED CONSOLIDATED BALANCE SHEETS [Parenthetical] (USD $)	Dec. 31, 2011	Dec. 31, 2010
Allowance for doubtful accounts (in dollars)	$ 100,000	$ 100,000
Common Stock, Shares Authorized	10,000,000	10,000,000
Common stock, shares issued	4,611,000	4,597,000
Common stock, shares outstanding	4,611,000	4,597,000