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Net Income (Loss) Per Share

6 Months Ended

Jun. 30, 2019

9.	Net Income (Loss) Per Share

Basic net income (loss) per share of common stock is computed based upon the number of weighted average shares of common stock outstanding as defined by ASC Topic 260, Earnings Per Share. Diluted net income (loss) per share of common stock includes the dilutive effects of stock options and stock equivalents. To the extent stock options are antidilutive, they are excluded from the calculation of diluted net loss per share of common stock.

The weighted-average number of shares used in the calculation of basic and diluted earnings per share attributable to the Company's common stockholder's consists of the following:

	Three Months Ended		Six Months Ended
	June 30, 2019		June 30, 2019
Basic weighted-average number of shares		6,874,679		6,874,314
Effect of dilutive securities
Stock options		12,221		881
Diluted weighted-average number of shares		6,886,900		6,875,195

For the three and six months ended June 30, 2018, 1,063,509 shares upon the exercise of outstanding stock options and 158,571 shares of unvested restricted stock were not included in the computation of diluted net loss per share because their inclusion would be antidilutive.