NATURE OF OPERATIONS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Tables)

6 Months Ended

Jun. 30, 2019

Schedule of Earnings Per Share, Basic and Diluted

Diluted net income (loss) per common share is based on the weighted-average number of common shares outstanding and potentially dilutive common shares outstanding and computed as follows:



	Three Months ended June 30,					Six Months ended June 30,
	2019			2018		2019			2018
	(In thousands, except share and per share data)
Numerator:
Net income (loss) to common stockholders	$	(1,970	)	$	7,039	$	(7,972	)	$	35,332

Denominator:
Weighted-average common shares, basic	27,609,068			27,503,356		27,601,760			27,610,924
Weighted-average common shares, diluted*	27,609,068			29,737,679		27,601,760			30,010,329
Net income (loss) per common share:
Basic:	$	(0.07	)	$	0.26	$	(0.29	)	$	1.28
Diluted:	$	(0.07	)	$	0.24	$	(0.29	)	$	1.18
* For the three and six months ended June 30, 2019 the securities would be anti-dilutive and therefore were excluded. For the three months ended June 30, 2018, the diluted earnings per common share included 613,712 unvested RSU's and the weighted average effect of 1,620,611stock options; for the six months ended June 30, 2018, the diluted earnings per common share included 613,712 unvested RSU's and the weighted average effect of 1,785,693 stock options that are potentially dilutive to earnings per share, since the exercise price of such securities was less than the average market price during the period.

Summary of Components Excluded from Computation of Diluted Net Loss Per Share

Potentially dilutive common shares from employee equity plans and warrants are determined by applying the treasury stock method assumed exercise of warrants and share options and were excluded from the computation of diluted net income (loss) per share because their inclusion would be anti-dilutive and consist of the following:



	Three Months ended June 30,		Six Months ended June 30,
	2019	2018	2019	2018
Stock options	2,537,478	970,309	2,537,478	805,227
Restricted stock units	306,541	—	306,541	—
Warrants	2,355,506	2,355,506	2,355,506	2,355,506
Total	5,199,525	3,325,815	5,199,525	3,160,733