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Nanotron Acquisition - Assets Acquired and Liabilities Assumed (Details) - USD ($) $ in Thousands	Mar. 31, 2021	Dec. 31, 2020	Oct. 06, 2020
Assets Acquired:
Goodwill	$ 6,370	$ 6,588
Nanotron
Assets Acquired:
Cash and cash equivalents			$ 301
Trade and other receivables			576
Inventory			827
Prepaid expenses and other current assets			103
Operating lease right-of-use asset			557
Property, plant, and equipment			433
Goodwill			3,501
Assets acquired, total			9,910
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Liabilities [Abstract]
Accounts payable			526
Lease liabilities			557
Restructuring Costs			214
Accrued Liabilities			361
Liabilities assumed, total			1,658
Total Purchase Price			8,252
Nanotron \| Tradename
Assets Acquired:
Intangible assets			51
Nanotron \| Proprietary Technology
Assets Acquired:
Intangible assets			1,213
Nanotron \| Customer Relationships
Assets Acquired:
Intangible assets			1,055
Nanotron \| Non-compete agreements
Assets Acquired:
Intangible assets			610
Nanotron \| In-Process R&D
Assets Acquired:
Intangible assets			505
Nanotron \| IP Agreement
Assets Acquired:
Intangible assets			$ 178