Shareholders' Equity (Tables)

12 Months Ended

Dec. 31, 2014

Stockholders' Equity Note [Abstract]

Summary of Stock Options Activity

The following is a summary of stock option activity:

	For the Years Ended December 31,
	2014				2013				2012
	Shares		Weighted Average Exercise Price		Shares		Weighted Average Exercise Price		Shares		Weighted Average Exercise Price
Outstanding at beginning of year	52,812		$	30.75	1,125		$	1,963.29	2,742		$	1,821.79
Granted	255,227		15.20		54,060		7.86		—		—
Exercised	—		—		—		—		—		—
Forfeited or expired	(4,767	)	242.98		(2,373	)	425.40		(1,617	)	1,723.34
Outstanding at end of year	303,272		14.33		52,812		30.75		1,125		1,963.29
Options exercisable at end of year	12,712		15.02		666		1,823.23		1,125		1,963.29

Schedule of Stock Options Outstanding and Exercisable by Range of Exercise Prices

At December 31, 2014, information concerning stock options outstanding and exercisable is as follows:

	Options Outstanding				Options Exercisable
Range of Exercise Prices	Shares	Weighted Average Remaining Contractual Life (Years)	Weighted Average Exercise Price		Number Exercisable	Weighted Average Remaining Contractual Life (Years)	Weighted Average Exercise Price
$1.00 - $7.99	49,153	8.22	$	7.86	12,657	8.22	$	7.86
$8.00 - $15.99	32,690	9.37	9.93		—	9.37	—
$16.00 - $17.00	221,374	9.76	16.00		—	9.76	—
$1,350.00 - $1,890.00	55	1.72	1,662.55		55	1.72	1,662.55

Summary of Non-vested Restricted Stock Activity

The following is a summary of non-vested restricted stock activity:

	For the Years Ended December 31,
	2014				2013
	Shares		Weighted Average Grant Date Fair Value		Shares	Weighted Average Grant Date Fair Value
Non-vested at beginning of year	268,361		$	10.14	110,059	$	11.13
Granted	223,503		7.60		158,302	9.45
Vested	(31,516	)	10.25		—	—
Cancelled	(267,937	)	9.38		—	—
Forfeited or expired	(5,278	)	9.49		—	—
Unvested at end of year	187,133		$	8.19	268,361	$	10.14