GOODWILL & INTANGIBLE ASSETS (Tables)

6 Months Ended

12 Months Ended

Jun. 30, 2021

Dec. 31, 2020

ACQUIRED TECHNOLOGY

Schedule of goodwill activity

	Goodwill
Balance at December 31, 2019	$	2,252
Balance at December 31, 2020	$	2,252
Acquisition of EnvisionTEC		198,369
Acquisition of Adaptive3D		35,265
Acquisition of Aerosint		15,174
Balance at June 30, 2021	$	251,060

Schedule of intangible assets

Intangible assets consisted of the following (in thousands):

				Accumulated		Balance
	Gross Value		Estimated Life	Amortization		June 30, 2021
Acquired technology	$	126,540	5 – 12 years	$	5,514	$	121,026
Trade name		9,079	13 years		251		8,828
Customer relationships		50,900	10 years		1,894		49,006
Total intangible assets	$	186,519		$	7,659	$	178,860

Acquired technology consisted of the following (in thousands):

				Accumulated		Balance
	Gross Value		Estimated Life	Amortization		December 31, 2020
Acquired technology	$	10,193	5 years	$	1,091	$	9,102