Stockholders' Equity (Narrative) (Details) (USD $)	12 Months Ended			12 Months Ended					12 Months Ended				1 Months Ended	12 Months Ended	1 Months Ended		0 Months Ended	12 Months Ended				12 Months Ended	0 Months Ended	1 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Aug. 21, 2013	Sep. 30, 2013 Non-Statutory Stock Options [Member]	Sep. 30, 2012 Non-Statutory Stock Options [Member]	Sep. 30, 2013 Incentive Stock Options [Member]	Sep. 30, 2013 2008 Plan [Member]	Sep. 30, 2012 2008 Plan [Member]	Sep. 30, 2013 Minimum [Member] Non-Statutory Stock Options [Member]	Sep. 30, 2012 Minimum [Member] Non-Statutory Stock Options [Member]	Sep. 30, 2013 Maximum [Member] Non-Statutory Stock Options [Member]	Sep. 30, 2012 Maximum [Member] Non-Statutory Stock Options [Member]	Aug. 21, 2013 Common Stock [Member]	Sep. 30, 2013 Common Stock [Member]	Aug. 21, 2013 A Warrants [Member]	Aug. 21, 2013 B Warrants [Member]	Oct. 02, 2012 Note payable with Wells Fargo Bank [Member]	Sep. 30, 2013 Note payable to PFGI II, LLC [Member] Warrant [Member]	Sep. 30, 2013 Certain other loans [Member] Warrant [Member]	Sep. 30, 2013 Certain other loans [Member] Warrant [Member] Minimum [Member]	Sep. 30, 2013 Certain other loans [Member] Warrant [Member] Maximum [Member]	Sep. 30, 2013 Series C Convertible Preferred Stock [Member]	Oct. 02, 2012 Series C Convertible Preferred Stock [Member] SII [Member]	Sep. 28, 2012 Series C Convertible Preferred Stock [Member] SII [Member]	Mar. 31, 2013 Series C Convertible Preferred Stock [Member] SII [Member]	Jun. 30, 2012 Series C Convertible Preferred Stock [Member] SII [Member]
Schedule Of Stockholders Equity [Line Items]
Preferred stock, shares authorized	5,000,000	5,000,000
Convertible Preferred Stock, Shares Reserved for Future Issuance																									118,483	473,934
Price per share																										$ 4.22
Aggregate purchase price of shares	$ 4,000	$ 1,000																								$ 2,000,000
Sale and issuance of stock, shares																								355,451
Sale and issuance of stock, aggregate purchase price																								1,500,000
Preference stock dividend rate																						8.00%
Increase in preference stock dividend rate																						15.00%
Payment of expenses related to transaction																							40,000
Repayments to Wells Fargo Bank																	225,000
Issuance of common shares and warrants in public offering, shares													2,200,000	2,200,000
Number of common stock to be purchased by warrants															2,200,000	1,100,000		37,537	33,334
Number of shares in each unit															1	1
Number of warrants in each unit															1	2
Public offering, shares issued, price per unit			$ 2.50
Shares covered by each warrant															1	1
Exercise date															Aug. 16, 2018	May 16, 2014		Dec. 31, 2012
Exercise price															$ 2.75	$ 2.50		$ 3.33		$ 2.25	$ 2.34
Term of warrants																		3 years
Shares authorized to issue under plan								500,000
Stock based compensation expense	171,000	69,000
Shares available for future grants							175,146
Stock options granted, shares	157,421			47,000	34,000	110,421
Stock options granted, exercise price	$ 2.34					$ 2.31			$ 2.31	$ 1.31	$ 2.44	$ 2.12
Stock options granted, per-share weighted average fair value						$ 1.96			$ 1.96	$ 1.07	$ 2.09	$ 1.79
Remaining total unrecognized compensation cost related to unvested stock-based arrangements	169,000
Employee service share-based compensation, nonvested awards, total compensation cost not yet recognized, period for recognition	2 years 3 months
Value of Warrants																		$ 79,000
Risk-free interest rates						1.13%												1.70%
Expected life						6 years 6 months												3 years
Dividend yields																		0.00%