Leases	12 Months Ended
Dec. 31, 2017
Leases [Abstract]
Leases	The Company has several operating leases for office, laboratory and manufacturing space. The Company’s operating lease for one of its German facilities has been terminated as of March 31, 2018, and its Poland facility has been terminated as of July 1, 2017. Monthly rent payments for the German facilities are Euro 4,295 ($4,842 as of December 31, 2017). The Company’s laboratory facility in Chicago, IL terminates June 30, 2018 and requires monthly payments of $1,175 through June 30, 2017, increasing to $1,250 through the end of the lease. The Company’s Orlando facility has escalating rents ranging from $2,488 to $2,563 per month and terminates July 31, 2018. The total aggregate monthly lease payments (net of the sublease) required on these leases is $12,471. Total rental expense was $144,000 and $183,000 for the years ended December 31, 2017 and 2016, respectively.

The entire disclosure for lessee entity's leasing arrangements including, but not limited to, all of the following: (a.) The basis on which contingent rental payments are determined, (b.) The existence and terms of renewal or purchase options and escalation clauses, (c.) Restrictions imposed by lease agreements, such as those concerning dividends, additional debt, and further leasing.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-URI http://asc.fasb.org/subtopic&trid=77888251

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 840
-URI http://asc.fasb.org/topic&trid=2208923

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