The Business Financial Information & Liquidity (Details) $ in Millions		1 Months Ended
	Mar. 11, 2016 USD ($)	Mar. 31, 2016 USD ($)	Feb. 29, 2016 $ / shares	Mar. 10, 2016 $ / shares
Research and Development Arrangement, Contract to Perform for Others [Line Items]
Number Of Consecutive Days, Share Price Under One Dollar			30 days
Share Price | $ / shares			$ 1.00	$ 0.705
Number Of Days After The Initial Period To Meet Consecutive Trading Day Requirement			180 days
Number Of Consecutive Trading Days, Required Above One Dollar			10 days
Period In Which To Meet Consecutive Trading Day Threshold			180 days
Hitachi Chemical Co., LTD [Member]
Research and Development Arrangement, Contract to Perform for Others [Line Items]
Proceeds From Licensing Agreements	$ 25.0	$ 22.5
Unrecorded Unconditional Purchase Obligation, Maximum Quantity	15.0
PCT Allendale, LLC [Member] | Hitachi Chemical Co., LTD [Member]
Research and Development Arrangement, Contract to Perform for Others [Line Items]
Proceeds From Licensing Agreements	$ 10.0
Oxford Finance LLC [Member]
Research and Development Arrangement, Contract to Perform for Others [Line Items]
Repayments of Debt	$ 7.0