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Share-Based Payments (Tables)

6 Months Ended

Jun. 30, 2020

Share-based Payment Arrangement [Abstract]

Schedule of Stock-Based Compensation Costs

Stock-based compensation costs included in the condensed consolidated statements of operations are presented below:

			Three Months Ended   June 30,																		Six Months Ended   June 30,
			2020						2019						2020						2019
Cost of products			$	2					$	4					$	6					$	12
Cost of services			35						52						64						117
Research and development			364						1,360						953						2,701
Selling, general and administrative			4,496						(1,900)						9,592						4,934
Discontinued operations			—						545						(1,346)						1,351
Total			$	4,897					$	61					$	9,269					$	9,115

Schedule of Stock Option Activity

Stock option activity was as follows:

			Number of Shares						Weighted Average Exercise Price						Weighted Average Remaining Contractual Term (Years)
Balances at December 31, 2019			9,022,282						$	21.94					6.10
Granted			5,287,092						10.43
Exercised			(20,780)						(3.17)
Forfeited			(834,286)						(16.27)
Expired			(2,071,269)						(27.30)
Balances at June 30, 2020			11,383,039						16.07						7.55
Exercisable at June 30, 2020			5,604,412						20.02						5.86

Schedule of Restricted Stock Unit Activity

RSU activity was as follows:

			Number of Restricted Stock Units						Weighted Average Grant Date Fair Value						Weighted Average Remaining Contractual Term (Years)
Balances at December 31, 2019			1,781,982						$	8.71					1.24
Granted			3,103,819						3.08
Vested			(2,625,093)						(3.97)
Forfeited			(363,527)						(8.57)
Balances at June 30, 2020			1,897,181						6.09						0.87

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Tabular disclosure of allocation of amount expensed and capitalized for award under share-based payment arrangement to statement of income or comprehensive income and statement of financial position. Includes, but is not limited to, corresponding line item in financial statement.

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Tabular disclosure for stock option plans. Includes, but is not limited to, outstanding awards at beginning and end of year, grants, exercises, forfeitures, and weighted-average grant date fair value.

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Disclosure of the number and weighted-average grant date fair value for restricted stock and restricted stock units that were outstanding at the beginning and end of the year, and the number of restricted stock and restricted stock units that were granted, vested, or forfeited during the year.

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