Summary of Significant Accounting Policies (Details) (USD $)	9 Months Ended
	Sep. 30, 2012	Dec. 31, 2011
Summary of Significant Accounting Policies (Textual) [Abstract]
Accumulated deficit	$ (223,757,000)	$ (217,353,000)
Cash, restricted cash and cash equivalents	$ 6,323,000
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%