Stockholders' Equity (Tables)

9 Months Ended

Mar. 31, 2014

Fair Value of Stock Options Granted Assumptions Used

The following assumptions were used to determine the fair value of options granted during the period:

	Nine months ended March 31,
	2014	2013
Risk-free interest rate	.07% - 1.72%	.62% - .90%
Expected life	.7 years - 5 years	5 years
Expected volatility	56% - 158%	153% - 161%
Dividend yield	0%	0%
Weighted-average fair value	$6.70	$6.37

Stock Option Activity

Stock option activity for the nine months ended March 31, 2014 was as follows:

	Stock options outstanding			Weighted average exercise price		Weighted average remaining contractual term (years)		Aggregate intrinsic value
Outstanding at June 30, 2013		635,094		$	8.26		3.5	$	2,204,000
Options granted		381,839		$	7.58		4.3	$	1,357,000
Options forfeited or expired		(833	)	$	37.80		—	$	—
Outstanding at March 31, 2014		1,016,100		$	7.98		3.7	$	3,561,000
Exercisable at March 31, 2014		271,090		$	9.17		2.7	$	880,000