Committments (Details) (USD $)	0 Months Ended		12 Months Ended		1 Months Ended				3 Months Ended	1 Months Ended
	Dec. 31, 2014	May 15, 2014	Dec. 31, 2014	Dec. 31, 2013	Mar. 31, 2015	Oct. 31, 2013	Jun. 30, 2013	Apr. 30, 2013	Mar. 31, 2014	Jan. 31, 2009	Sep. 30, 2014	Mar. 31, 2013
Term of lease		7 years
Rent expense			$ 38,000
Incentive received from leasehold improvement	477,000
Commitments to lease		3,248,000
Future minimum lease payments under the First Amendment
2015	1,812,000		1,812,000
2016	1,719,000		1,719,000
2017	567,000		567,000
2018	472,000		472,000
2019	480,000		480,000
2019 and thereafter	817,000		817,000
Total	5,867,000		5,867,000
Less: Future sublease payments to be received	(1,854,000)		(1,854,000)
Net future lease payments	4,013,000		4,013,000
Operating lease rent expense			366,000	236,000
Epirus Switzerland Member
Monthly lease rate					6,000						3,000
Notice period					12 months
Future minimum lease payments under the First Amendment
Net future lease payments					84,000
Other Current Liabilities
Liability recognized as future minimum lease payments	1,853,000		1,853,000
Other Noncurrent Liabilities
Liability recognized as future minimum lease payments	2,562,000		2,562,000
BOW015
Future minimum lease payments under the First Amendment
Upfront payment			250,000
License Agreements | Catalent Pharma Solutions, LLC
Future minimum lease payments under the First Amendment
Aggregate payments upon the achievement of certain development and regulatory milestones			700,000
Additional obligation amount to be paid upon achievement of certain development and regulatory milestones	500,000		500,000
Period of commercial sale of product			20 years
Maximum percentage paid			1
Period of notice for termination of agreement			60 days
License Agreements | Bioceros B.V.
Future minimum lease payments under the First Amendment
Upfront payment						70,000		300,000	300,000
Payments made upon exercise of its option							400,000
Aggregate payments upon the achievement of certain development and regulatory milestones			1,200,000
Period of commercial sale of product			10 years
Maximum percentage paid			1
Period of notice for termination of agreement for material breach of agreement			30 days
Period of notice for termination of agreement			60 days
amounts paid	200,000		200,000
Moksha8 Pharmaceuticals Inc | License Agreements
Future minimum lease payments under the First Amendment
Upfront payment										100,000
Payments made upon exercise of its option										100,000
Moksha8 Pharmaceuticals Inc | License Agreements | Catalent Pharma Solutions, LLC | BOW015
Future minimum lease payments under the First Amendment
Milestone payments on clinical trial												$ 200,000