Note 6. Goodwill and Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2015

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Goodwill

The changes in the carrying amount of goodwill for the years ended December 31, 2015 and 2014 were as follows (in thousands):

Reporting Unit	Balance at December 31, 2014			Acquisitions		Balance at December 31, 2015
CdTe components	$	403,420		$	—	$	403,420
Crystalline silicon components	6,097			—		6,097
Systems	68,833			—		68,833
Accumulated impairment losses	(393,365		)	—		(393,365		)
Total	$	84,985		$	—	$	84,985

Reporting Unit	Balance at December 31, 2013			Acquisitions		Balance at December 31, 2014
CdTe components	$	403,420		$	—	$	403,420
Crystalline silicon components	6,097			—		6,097
Systems	68,833			—		68,833
Accumulated impairment losses	(393,365		)	—		(393,365		)
Total	$	84,985		$	—	$	84,985

Schedule of Other Intangibles, Net

The following table summarizes our intangible assets at December 31, 2015 and 2014 (in thousands):

	December 31, 2015
	Gross Amount		Accumulated Amortization			Net Amount
Patents	$	6,070	$	(1,824	)	$	4,246
Developed technology	114,565		(8,809		)	105,756
Total	$	120,635	$	(10,633	)	$	110,002

	December 31, 2014
	Gross Amount		Accumulated Amortization			Net Amount
Patents	$	5,347	$	(1,208	)	$	4,139
Developed technology	2,757		(460		)	2,297
In-process research and development	112,800		—			112,800
Total	$	120,904	$	(1,668	)	$	119,236

Schedule of Other Intangibles Future Amortization Expense

Estimated future amortization expense for our intangible assets was as follows at December 31, 2015 (in thousands):

	Amortization Expense
2016	$	11,787
2017	11,403
2018	11,161
2019	11,161
2020	11,161
Thereafter	53,329
Total amortization expense	$	110,002