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Stock-Based Compensation and Benefit Plans (Narrative) (Details) (USD $)	1 Months Ended			3 Months Ended			9 Months Ended		3 Months Ended	9 Months Ended		1 Months Ended		3 Months Ended		9 Months Ended		3 Months Ended			1 Months Ended					1 Months Ended		3 Months Ended		9 Months Ended		3 Months Ended		9 Months Ended			9 Months Ended	71 Months Ended
	Feb. 28, 2013	Nov. 30, 2012	Feb. 29, 2012	Sep. 30, 2013	Mar. 31, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012	Mar. 31, 2012 Warrant [Member]	Sep. 30, 2013 Warrant [Member]	Sep. 30, 2012 Warrant [Member]	Feb. 28, 2013 Unregistered Shares [Member]	Feb. 29, 2012 Unregistered Shares [Member]	Sep. 30, 2013 Unregistered Shares [Member]	Sep. 30, 2012 Unregistered Shares [Member]	Sep. 30, 2013 Unregistered Shares [Member]	Sep. 30, 2012 Unregistered Shares [Member]	Mar. 31, 2013 Registered Offering [Member]	Sep. 30, 2013 Minimum [Member]	Sep. 30, 2013 Maximum [Member]	Feb. 28, 2013 Executive Officer [Member] employee	Feb. 29, 2012 Executive Officer [Member] employee	Jun. 30, 2012 Key Employee [Member] employee	Feb. 29, 2012 Key Employee [Member]	Sep. 30, 2012 Key Employee [Member]	Feb. 28, 2013 Non-Employee Board Member [Member]	Feb. 29, 2012 Non-Employee Board Member [Member]	Sep. 30, 2013 Non-Employee Board Member [Member]	Sep. 30, 2012 Non-Employee Board Member [Member]	Sep. 30, 2013 Non-Employee Board Member [Member]	Sep. 30, 2012 Non-Employee Board Member [Member]	Sep. 30, 2013 Equity Incentive Plan [Member]	Sep. 30, 2012 Equity Incentive Plan [Member]	Sep. 30, 2013 Equity Incentive Plan [Member]	Sep. 30, 2012 Equity Incentive Plan [Member]	Sep. 30, 2013 Non Employee Director Stock Option Plan [Member]	Sep. 30, 2013 2007 Associate Stock Purchase Plan [Member]	Sep. 30, 2013 2007 Associate Stock Purchase Plan [Member]	Jun. 30, 2011 2007 Associate Stock Purchase Plan [Member]	Jun. 30, 2010 2007 Associate Stock Purchase Plan [Member]	Nov. 30, 2007 2007 Associate Stock Purchase Plan [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Number of shares reserved for awards																																1,720,000		1,720,000		700,000
Unrecognized compensation expense related to unvested share-based awards				$ 460,000			$ 460,000
Unrecognized compensation costs, period for recognition							2 years
Weighted average estimated fair value of stock options granted							$ 1.24	$ 3.55
Expected future dividends							0
Prevesting forfeiture rate																			18.30%	25.20%																0.00%
Stock options granted	173,000		61,000																				6,000			20,000	7,000	13,000	3,000	35,000	11,000
Number of individuals receiving stock grants																					2	2	2
Restricted stock awards to a key employee																								6,000
Weighted average fair value of the shares																								$ 5.35
Fair market value of grants																									32,000
Common stock to a vendor in exchange for executive search services												6,000	21,000
Compensation expense on fair value				94,000		99,000	341,000	377,000			71,000			10,000	114,000	10,000	114,000															11,000	12,000	46,000	69,000
Warrant issued									30,000
Warrant exercise price									$ 8.75									$ 2.73
Fair value of warrants									$ 2.35
Expected term									3 years
Risk-free interest rate									0.51%
Volatility rate									87.40%
Percentage of warrant that is exercisable upon issuance											100.00%
Closing market price on date of grant				$ 0.83		$ 0.00	$ 0.99	$ 4.08
Stock options and warrants were cancelled or expired							52,000
Shares reserved																																							120,000	80,000	60,000
Fair market value on first or last day of the offering period																																					85.00%
Shares purchased by associates																																						96,000
Percentage of compensation allowed for designation to share purchases																																					10.00%
Common stock sold in Registered Direct Offering																		868,000
Price per share in direct offering																		$ 1.80
Shares issuable per unit					1
Term of warrant										3 years								5 years
Shares to be issued per warrant																		0.50
Period after issuance before exercisability																		6 months 1 day
Proceeds from the issuance of common stock							$ 1,374,000	$ 1,198,000										$ 1,374,000
Commen stock split ratio		0.2
Maximum plan contribution of pretax compensation							15.00%

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