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Stockholders' Equity (Tables)

6 Months Ended

Jun. 30, 2021

Stockholders Equity Note [Abstract]

Summary of Stock Option Activity

The following is a summary of stock option activity for the six months ended June 30, 2021:  

		Number of Option				Weighted Average Exercise Price Per Share				Weighted Average Remaining Contractual Term (in years)		Aggregate Intrinsic Value
Outstanding at January 1, 2021			1,078,499			$	12.68
Granted			15,000				9.87
Exercised			—				—
Cancelled/Forfeited			(1,611	)			11.67
Outstanding at June 30, 2021			1,091,888			$	12.65			9.3		$	929
Exercisable at June 30, 2021			262,388			$	12.87			9.2		$	246

Summary of Stock Option Shares Outstanding and Exercisable

The following table summarizes information for stock option shares outstanding and exercisable at June 30, 2021

						Options Exercisable
Range of Exercise Prices		Outstanding Number of Options				Weighted Average Remaining Option Term (in years)		Number of Options
$9 - $15			959,389			9.2			236,389
$15 - $20			81,000			9.3			12,750
$20 - $25			51,000			9.3			12,750
$25+			499			7.6			499
			1,091,888			9.2			262,388

Summary of Recognized Share-based Compensation Cost

The following is a summary of share-based compensation expense in the statement of operations for the three and six months ended June 30, 2021  

	Three months ended June 30,									Six months ended June 30,
		2021				2020				2021				2020
Cost of goods sold			39				—				91				—
Research and development			463				117				1,093				122
Selling, general and administrative		$	1,124			$	488			$	2,590			$	537
Total		$	1,626			$	605			$	3,774			$	660

Summary of Warrant Activity

The following is a summary of warrant activity for the six months ended June 30, 2021:

		Warrants				Weighted Average Exercise Price				Weighted Average Remaining Life (in years)
Outstanding at January 1, 2021			4,236,687			$	9.13
Warrants issued			—				—
Warrants exercised			(463,421	)			5.37
Warrants expired			—				—
Outstanding at June 30, 2021			3,773,266			$	9.59				3.7
Exercisable at June 30, 2021			3,773,266			$	9.59				3.7

Schedule of Information Related to Stock Warrants Outstanding and Exercisable

         The following table presents information related to stock warrants at June 30, 2021

								Warrants Exercisable
Range of Exercise Prices				Outstanding Number of Warrants				Weighted Average Remaining Warrant Term (in years)		Number of Warrants
$	0.01				156,000			3.8			156,000
$	10.00				3,617,266			3.7			3,617,266
					3,773,266			3.7			3,773,266

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Schedule of Information Related to Stock Warrants Outstanding and Exercisable.

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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 warrants or rights issued. Warrants and rights outstanding are derivative securities that give the holder the right to purchase securities (usually equity) from the issuer at a specific price within a certain time frame. Warrants are often included in a new debt issue to entice investors by a higher return potential. The main difference between warrants and call options is that warrants are issued and guaranteed by the company, whereas options are exchange instruments and are not issued by the company. Also, the lifetime of a warrant is often measured in years, while the lifetime of a typical option is measured in months. Disclose the title of issue of securities called for by warrants and rights outstanding, the aggregate amount of securities called for by warrants and rights outstanding, the date from which the warrants or rights are exercisable, and the price at which the warrant or right is exercisable.

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Tabular disclosure of number, weighted-average exercise price or conversion ratio, aggregate intrinsic value, and weighted-average remaining contractual term for outstanding and exercisable options that are fully vested and expected to vest. Includes, but is not limited to, unvested options for which requisite service period has not been rendered but that are expected to vest based on achievement of performance condition, if forfeitures are recognized when they occur.

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