Condensed Consolidated Balance Sheets (Parentheticals) (USD $) In Thousands, except Share data, unless otherwise specified	Mar. 31, 2013	Dec. 31, 2012
Allowance for doubtful accounts (in Dollars)	$ 43	$ 42	[1]
Preferred stock par value (in Dollars per share)	$ 0.0001	$ 0.0001	[1]
Preferred stock, shares authorized	2,000,000	2,000,000	[1]
Preferred stock, shares issued	0	0	[1]
Preferred stock, shares outstanding	0	0	[1]
Common stock par value (in Dollars per share)	$ 0.0001	$ 0.0001	[1]
Common stock, shares authorized	11,000,000	11,000,000	[1]
Common stock, shares issued	8,566,289	8,528,307	[1]
Common stock, shares outstanding	8,566,263	8,528,281	[1]
Treasury stock, Shares	26	26	[1]

[1] Derived from audited financial statements included in the 2012 Annual Report.