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Share-Based Compensation (Tables)

6 Months Ended

Jun. 30, 2020

Share-based Payment Arrangement, Noncash Expense [Abstract]

Schedule Share-based Compensation Expense

The following table summarizes the components of share-based compensation expense for the three and six months ended June 30, 2020 and 2019 (in thousands):

			Three Months Ended June 30,																		Six Months Ended June 30,
			2020						2019						2020						2019
Research and development			$	56					$	50					$	181					$	174
General and administrative			239						195						680						619
Total share-based compensation expense			$	295					$	245					$	861					$	793

Schedule of Total Compensation Cost Related to Nonvested Awards

Total compensation cost related to non-vested awards not yet recognized and the weighted-average periods over which the awards were expected to be recognized at June 30, 2020 were as follows (in thousands):

			Stock Options						Restricted Stock Units						Restricted Stock
Unrecognized compensation cost			$	734					$	188					$	172
Expected weighted-average period in years of compensation cost to be recognized			1.83						0.66						0.50

Schedule of Fair Value of Share-based Compensation Awards

Total fair value of shares vested and the weighted average estimated fair values of shares granted for the six months ended June 30, 2020 and 2019 were as follows (in thousands):

			Stock Options
			Six Months Ended June 30,
			2020						2019
Total fair value of shares vested			$	515					$	378
Weighted average estimated fair value of shares granted			$	2.12					$	3.18

X

- Definition

Tabular disclosure of share-based payment arrangement.

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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 of the significant assumptions used during the year to estimate the fair value of stock options, including, but not limited to: (a) expected term of share options and similar instruments, (b) expected volatility of the entity's shares, (c) expected dividends, (d) risk-free rate(s), and (e) discount for post-vesting restrictions.

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