Condensed Consolidated Balance Sheets Parenthetical (USD $) In Thousands, except Share data, unless otherwise specified	Dec. 31, 2011	Dec. 31, 2010
Condensed Consolidated Balance Sheets Parenthetical [Abstract]
Accounts receivable, allowances	$ 131	$ 161
Common stock, par value (in dollars per share)	$ 0.01	$ 0.01
Common stock, authorized (in shares)	10,000,000	10,000,000
Common stock, issued (in shares)	2,628,188	2,267,260
Common stock, outstanding (in shares)	2,592,734	2,267,260