Income Taxes (Tables)

12 Months Ended

Jul. 31, 2016

Income Taxes [Abstract]

Summary of (provision for) benefit from income taxes

Year ended July 31,
(in thousands)	2016			2015			2014
Current:
Federal	$	39		$	—		$	21
State and local		(35	)		(34	)		6
		4			(34	)		27
Deferred:
Federal		—			(2,211	)		1,925
State and local		—			(469	)		401
		—			(2,680	)		2,326
BENEFIT FROM (PROVISION FOR) INCOME TAXES	$	4		$	(2,714	)	$	2,353

Summary of deferred income tax assets and liabilities

July 31, (in thousands)	2016			2015
Deferred income tax assets (liabilities):
Net operating loss carryforward	$	57,098		$	53,383
Accrued expenses		338			314
Stock based compensation		(464	)		(329	)
Deferred revenue on litigation settlements		-			313
Valuation allowance		(56,972	)		(53,681	)
TOTAL NET DEFERRED INCOME TAX ASSETS (LIABILITIES)	$	—		$	—

Schedule of differences between income taxes expected at the federal statutory income tax rate and income taxes

Year ended July 31,
(in thousands)	2016			2015			2014
Federal income tax at statutory rate	$	(2,939	)	$	(262	)	$	99
Permanent differences		2			1,048			—
Valuation allowance		3,394			(3,500	)		2,250
Other		3			—			—
State and local income tax, net of federal benefit		(456	)		—			4
PROVISION FOR (INCOME TAXES) INCOME TAX BENEFITS	$	4		$	(2,714	)	$	2,353

Schedule of change in the valuation allowance for deferred income taxes

Year ended July 31, (in thousands)	Balance at beginning of year		Additions charged to costs and expenses		Deductions			Balance at end of year
2016
Reserves deducted from deferred income taxes, net:
Valuation allowance	$	53,681	$	3,394	$	(103	)	$	56,972
2015
Reserves deducted from deferred income taxes, net:
Valuation allowance	$	50,191	$	3,500	$	(10	)	$	53,681
2014
Reserves deducted from deferred income taxes, net:
Valuation allowance	$	50,797	$	—	$	(606	)	$	50,191

Schedule of unrecognized tax benefits

	Year ended July 31,
(in thousands)	2016		2015		2014
Balance at beginning of period	$	210	$	—	$	—
Additions based on tax positions related to the current period				—		—
Additions for tax positions of prior periods		5		210		—
Reductions for tax positions of prior periods		—		—		—
Settlements		—		—		—
Lapses of statutes of limitations		—		—		—
Balance at end of period	$	215	$	210	$	—