Capital Stock - Additional Information (Detail) (USD $)	6 Months Ended								6 Months Ended		1 Months Ended	6 Months Ended
	Jun. 30, 2012	Jun. 29, 2012	Dec. 31, 2011	Jun. 30, 2012 Warrant 1	Jun. 30, 2012 Warrant 2	Jun. 30, 2012 Warrant 3	Aug. 07, 2012 Subsequent Event	Jun. 30, 2012 Pyxis Innovations Inc	Jun. 30, 2012 Series A-1 Preferred Stock	Jun. 29, 2012 Series A-1 Preferred Stock	Jun. 29, 2012 Series B Preferred Stock	Jun. 30, 2012 Series B Preferred Stock
Stockholders Equity [Line Items]
Convertible preferred stock, par value	$ 0.001		$ 0.001
Convertible preferred stock, shares authorized	6,000,000		6,000,000
Convertible preferred stock, shares issued	5,500,000		5,000,000						5,000,000	5,000,000	500,000	500,000
Convertible preferred stock, shares outstanding	5,500,000	5,000,000	5,000,000						5,000,000			500,000
Common stock, shares authorized	100,000,000		100,000,000				150,000,000
Common stock, par value	$ 0.001		$ 0.001
Common stock, outstanding or reserved for issuance	85,317,885
Common stock, shares outstanding	36,761,864		36,709,706
Shares reserved for conversion of Preferred to common stock	39,089,161								28,160,200			10,928,961
Shares reserved for conversion of debt								2,521,222
Debt outstanding								$ 14,316,255
Shares reserved for potential exercise	4,358,480
Shares reserved for exercise of outstanding warrants		437,158		400,000	1,750,000	437,158
Warrants exercise price per share		$ 0.2745		$ 2.50	$ 1.30	$ 0.2745
Expiration date of warrants				Aug. 09, 2012	Mar. 05, 2015	Jun. 29, 2017
Proceeds from private placement of preferred stock	3,000,000										3,000,000
Conversion of Series B convertible preferred Stock to Common Stock											21.86
Convertible preferred stock current conversion price									$ 0.3196		$ 0.2745	$ 0.2745
Net Proceeds from issuance of Series B Convertible preferred Stock											2,750,000
Warrant expiration period		5 years
Warrants issued in connection with private placement of preferred stock	104,907
Accrued dividend rate	8.00%
Convertible preferred stock, liquidation preference	$ 24,000,000								$ 18,000,000			$ 6,000,000
Convertible preferred stock, effective purchase price									$ 1.80			$ 6.00