Foreign Currency Remeasurement	12 Months Ended
Dec. 31, 2018
Foreign Currency [Abstract]
Foreign Currency Remeasurement	4. Foreign Currency Remeasurement The U.S. dollar has been determined to be the functional currency for the net assets of the Company’s laboratory in Freiburg, Germany. The transactions are recorded in the local currencies and are remeasured at each reporting date using the historical rates for nonmonetary assets and liabilities and current exchange rates for monetary assets and liabilities at the balance sheet date. Exchange gains and losses from the remeasurement of monetary assets and liabilities are recognized in other income (loss). The Company recognized a loss of approximately $2,500 and $23,000 for the years ended December 31, 2018 and 2017, respectively.

The entire disclosure for foreign currency transactions and translation. This may include description of foreign currency transactions, foreign currency gains and losses, explanation of change in cumulative translation adjustment, description of effect of subsequent foreign currency exchange rate change, cumulative translation adjustment movement, foreign currency translation adjustment by component movement, translation adjustment for net investment hedge movement, adjustment for long-term intercompany transactions, schedule of long-term intercompany balances and any other foreign currency transactions and translation related items.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 830
-URI http://asc.fasb.org/topic&trid=2175825

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