Summary of Significant Accounting Policies (Details) (USD $)	1 Months Ended	6 Months Ended
	Dec. 31, 2011	Jun. 30, 2012
Summary of Significant Accounting Policies (Textual) [Abstract]
Accumulated deficit	$ (217,353,000)	$ (221,510,000)
Cash, restricted cash and cash equivalents		$ 6,922,000
Minimum closing bid price per share for compliance		$ 1.00
No. of days for compliance		180 days
Additional grace period		180 days
Consecutive business days		10 days
Period of inspection of product	30 days
Percentage payment on gross margin to Azanta's sale		20.00%