Stock-Based Compensation (Details) - Jun. 30, 2015	plan $ / shares shares
Stock-Based Compensation
Number of stock incentive plans | plan	2
Stock options
Number of Options
Options outstanding at the beginning of the period (in shares)	2,199,000
Granted (in shares)	80,000
Forfeited (in shares)	(58,000)
Expired (in shares)	(15,000)
Options outstanding at the end of the period (in shares)	2,206,000
Weighted Average Exercise Price Per Share
Options outstanding at the beginning of the period (in dollars per share) | $ / shares	$ 1.83
Granted (in dollars per share) | $ / shares	1.73
Forfeited (in dollars per share) | $ / shares	1.83
Expired (in dollars per share) | $ / shares	1.54
Options outstanding at the end of the period (in dollars per share) | $ / shares	$ 1.83
Restricted stock units
Weighted Average Exercise Price Per Share
Number of shares of common stock receivable upon vesting of each RSU	1
Number of Shares
RSUs outstanding at the beginning of the period (in shares)	194,000
Forfeited (in shares)	(10,000)
RSUs outstanding at the end of the period (in shares)	184,000
2007 Plan
Employee Benefit Plans
Shares of common stock available for grant	1,425,000