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Related Party Transactions	6 Months Ended
Related Party Transactions	Jun. 30, 2019
Related Party Transactions [Abstract]
Related Party Transactions Disclosure [Text Block]	9. Related Party Transactions As part of the acquisitions of Multi Channel Systems MCS GmbH (MCS) and Triangle BioSystems, Inc. (TBSI) in 2014, the Company signed lease agreements with the former owners of these acquired companies. The principals of such former owners of MCS and TBSI were employees of the Company as of June 30, 2019 and 2018. Pursuant to these lease agreements, the Company made rent payments of approximately $89 thousand and $81 thousand to these former owners for the three months ended June 30, 2019 and 2018, respectively. The Company made rent payments of approximately $178 thousand and $171 thousand to these former owners for the six months ended June 30, 2019 and 2018, respectively.