INTANGIBLE ASSETS (Tables)

3 Months Ended

Mar. 31, 2020

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Intangible Assets and Goodwill [Table Text Block]

	Finite-lived						Indefinite-lived
	Technology, trade secrets and know-how		Customer lists and contracts		Other identifiable intangible assets		IP R&D		Total
2019
Balance as of December 31, 2018	$	98,469	$	23,819	$	10,655	$	24,013	$	156,956
Flow cytometry acquisition	(116)		(428)		1,154		(4,016)		(3,406)
Balance as of December 31, 2019	98,353		23,391		11,809		19,997		153,550
Less: accumulated amortization:
Accumulated amortization balance as of December 31, 2018	(40,501)		(9,036)		(2,271)		—		(51,808)
Amortization expense	(7,784)		(2,428)		(1,194)		—		(11,406)
Accumulated amortization balance as of December 31, 2019	(48,285)		(11,464)		(3,465)		—		(63,214)
Net balance as of December 31, 2019	$	50,068	$	11,927	$	8,344	$	19,997	$	90,336
Weighted average life (in years)	11		10		10
2020
Balance as of March 31, 2020	98,353		23,391		11,809		19,997		$	153,550
Less: accumulated amortization:
Accumulated amortization balance as of December 31, 2019	(48,285)		(11,464)		(3,465)		—		(63,214)
Amortization expense	(1,946)		(606)		(299)		—		(2,851)
Accumulated amortization balance as of March 31, 2020	(50,231)		(12,070)		(3,764)		—		(66,065)
Net balance as of March 31, 2020	$	48,122	$	11,321	$	8,045	$	19,997	$	87,485
Weighted average life (in years)	11		10		10

Estimated Future Amortization Expense Related to Intangible Assets

2020 (nine months)	$	8,555
2021	11,048
2022	9,801
2023	9,452
2024	9,452
Thereafter	19,179
	$	67,487