INCOME TAXES

The Company’s income tax expense was $6,000 with an effective tax rate of -0.1% for the three months ended March 31, 2019, as compared to an expense of $11,000, with an effective tax rate of -0.4%, for the three months ended March 31, 2018. The effective rate differs from the statutory rate primarily due to a valuation allowance on our net operating loss carry forward and foreign taxes of $6,000.

The following is a roll-forward of the Company's total gross unrecognized tax benefits, not including interest and penalties, for the period ended March 31, 2019.



(in thousands)	Gross Unrealized Tax Benefits
Balance at January 1, 2019	$	1,313
Additions of tax positions related to the current year	—
Additions of tax positions related to the prior year	—
Decreases for tax positions related to the prior year	—
Balance at March 31, 2019	$	1,313