Subsequent Events	9 Months Ended
Sep. 30, 2012
Subsequent Events [Abstract]
Subsequent Events	Note 11. Subsequent Events Subsequent to the end of the third quarter, 688,171 Series A Warrants were exercised at an exercise price of $1.40 per share. We will receive gross proceeds of approximately $963,000 and issue 688,171 shares of our common stock. In October 2012, we sold a total of 1,691,410 shares of our common stock at an average price per share of $2.20 for gross proceeds of approximately $3,714,000. The shares were sold under a sales agreement entered into in June 2009 and the sales agent is paid compensation equal to 3% of gross proceeds pursuant to the terms of the agreement. The shares were offered under our shelf registration statement previously filed with, and declared effective by, the SEC.

The entire disclosure for significant events or transactions that occurred after the balance sheet date through the date the financial statements were issued or the date the financial statements were available to be issued. Examples include: the sale of a capital stock issue, purchase of a business, settlement of litigation, catastrophic loss, significant foreign exchange rate changes, loans to insiders or affiliates, and transactions not in the ordinary course of business.

No definition available.

Name:	us-gaap_SubsequentEventsTextBlock
Namespace Prefix:	us-gaap_
Data Type:	nonnum:textBlockItemType
Balance Type:	na
Period Type:	duration