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STOCKHOLDERS' EQUITY AND STOCK-BASED COMPENSATION (Tables)

9 Months Ended

Sep. 30, 2017

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

NonVested Restricted Common Stock

	Shares			Weighted Average Grant Fair Value
Balance, December 31, 2016	3,007,674			$	3.21
Granted	120,000			3.44
Forfeited	(98,800	)		3.17
Vested	(60,000	)		1.70
Balance, September 30, 2017	2,968,874			$	3.26

Stock-Based Compensation Expense

The following table summarizes stock-based compensation expense within each of the categories below as it relates to non-vested restricted common stock awards for the three and nine months ended September 30, 2017 and September 24, 2016 (no tax benefits were recognized):

	Three Months Ended								Nine Months Ended
	September 30, 2017				September 24, 2016				September 30, 2017				September 24, 2016
Cost of product revenues	$	142,604			$	136,420			$	405,778			$	426,357
Research and development	203,288				129,308				616,500				378,156
Selling, general and administrative	676,137				262,700				1,967,879				674,968
Total	$	1,022,029			$	528,428			$	2,990,157			$	1,479,481

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Tabular disclosure of the allocation of equity-based compensation costs to a given line item on the balance sheet and income statement for the period. This may include the reporting line for the costs and the amount capitalized and expensed.

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-Publisher FASB
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Tabular disclosure of the changes in outstanding nonvested shares.

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