Warrants (Details) (USD $)	Mar. 30, 2013
PrivatePlacementEquityOffering2008Member
Warrants outstanding and exercisable
Weighted Average Exercise Prices	$ 3.00
Number Outstanding And Exercisable At March 30, 2013	937,114
Weighted Average Remaining Contractual Life	2 months 3 days
PrivatePlacementEquityOffering2010Member
Warrants outstanding and exercisable
Weighted Average Exercise Prices	$ 0.21
Number Outstanding And Exercisable At March 30, 2013	4,389,281
Weighted Average Remaining Contractual Life	1 month 21 days
PlacementAgentCommission2012Member
Warrants outstanding and exercisable
Weighted Average Exercise Prices	$ 0.85
Number Outstanding And Exercisable At March 30, 2013	285,000
Weighted Average Remaining Contractual Life	1 year 4 months 3 days
NonEmployeeAward2010Member
Warrants outstanding and exercisable
Weighted Average Exercise Prices	$ 0.75
Number Outstanding And Exercisable At March 30, 2013	250,000
Weighted Average Remaining Contractual Life	1 year 4 months 9 days
TotalMember
Warrants outstanding and exercisable
Weighted Average Exercise Prices	$ 0.71
Number Outstanding And Exercisable At March 30, 2013	5,861,395
Weighted Average Remaining Contractual Life	3 months 3 days