Income Taxes (Tables)

12 Months Ended

Dec. 31, 2014

Income Tax Disclosure [Abstract]

Deferred tax assets and liabilities

Significant components of the Company’s deferred tax assets and liabilities are as follows (in thousands):

	December 31,
	2014			2013
Deferred tax assets and liabilities:
Accruals and prepaids	$	3,563		$	1,404
Intangible assets	619			1,163
Property and equipment	(770		)	(507		)
R&D and other tax credits	2,086			1,369
Stock compensation	4,163			2,151
Charitable contributions	1			1
Federal and state basis difference	114			—
Net operating loss	6,382			14,663
Net deferred tax assets	$	16,158		$	20,244
Valuation allowance	(16,158		)	(20,244		)
	$	—		$	—

Reconciliation of the Federal statutory income tax

The reconciliation of the Federal statutory income tax rate of 34% to the effective rate is as follows:

	December 31,
	2014		2013
Federal statutory rate	34.00	%	34.00	%
State taxes, net of federal benefit	9.58	%	(2.48	)%
Non deductible compensation	5.59	%	—	%
Meals & entertainment	5.55	%	—	%
Stock based compensation - ISO	21.73	%	—	%
Other	(5.92	)%	12.73	%
Valuation allowance	(58.73	)%	(46.73	)%
	11.80	%	(2.48	)%