Consolidated Balance Sheets (Parentheticals) (USD $) In Thousands, except Share data, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011
Accounts receivable, allowance for doubtful accounts (in Dollars)	$ 0	$ 0
Preferred stock par value (in Dollars per share)	$ 0.001	$ 0.001
Preferred stock, shares authorized	1,000,000	1,000,000
Preferred stock, shares outstanding	0	0
Common stock, par value (in Dollars per share)	$ 0.001	$ 0.001
Common stock, authorized shares	40,000,000	40,000,000
Common stock, outstanding shares	12,907,000	10,892,000
Series A Preferred Stock [Member]
Preferred stock, shares authorized	250,000	250,000