Condensed Consolidated Balance Sheets (Parentheticals) (USD $) In Thousands, except Share data, unless otherwise specified	Sep. 30, 2012	Dec. 31, 2011
Receivables, net of allowance for doubtful accounts	$ 64	$ 149
Common Stock:
Par value (in dollars per share)	$ 0.001	$ 0.001
Common Stock, Shares Authorized (in shares)	50,000,000	50,000,000
Common Stock, Sharse Issued (in shares)	9,191,099	9,098,152
Common Stock, Shares Outstanding (in shares)	9,191,099	9,098,152
Treasury Stock:
Treasury stock (in shares)	94,744