Note 7. Stock-Based Awards (Details) (USD $)	0 Months Ended	3 Months Ended			6 Months Ended			28 Months Ended	30 Months Ended						3 Months Ended	6 Months Ended	3 Months Ended				6 Months Ended
	Aug. 15, 2003	Sep. 30, 2013		Sep. 30, 2012	Sep. 30, 2013		Sep. 30, 2012	Sep. 30, 2014	Dec. 31, 2014	Jul. 26, 2012	Aug. 15, 2007	Aug. 15, 2000	Sep. 30, 2013 Restricted Stock [Member]	Mar. 31, 2013 Restricted Stock [Member]	Sep. 30, 2013 General and Administrative Expense [Member] Cynthia F. Ansari [Member]	Sep. 30, 2013 General and Administrative Expense [Member] Cynthia F. Ansari [Member]	Sep. 30, 2013 General and Administrative Expense [Member]		Sep. 30, 2012 General and Administrative Expense [Member]		Sep. 30, 2013 General and Administrative Expense [Member]		Sep. 30, 2012 General and Administrative Expense [Member]		Sep. 30, 2013 Cynthia F. Ansari [Member]	Sep. 30, 2013 Katherine L. Wolf [Member]
Note 7. Stock-Based Awards (Details) [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized	450,000									7,000,000	5,000,000	4,500,000
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Net of Forfeitures	10,000
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross	10,000
Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures in Period																									1,125,000	612,458
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value (in Dollars per share)		$ 0.61		$ 0.91	$ 0.68		$ 0.93
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Intrinsic Value (in Dollars)		$ 10,000			$ 10,000
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Intrinsic Value (in Dollars)		8,000			8,000
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Aggregate Intrinsic Value (in Dollars)		10,000			10,000
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period, Intrinsic Value (in Dollars)				21,000			23,000
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number													207,902	122,044
Share-based Compensation (in Dollars)		(227,000)	[1]	569,000	328,000	[1]	1,012,000								289,000	289,000	(244,000)	[1]	538,000	[1]	265,000	[1]	907,000	[1]
Unrecognized Stock Based Compensation Expense Related To Options (in Dollars)		800,000			800,000
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition								1 year 36 days	2 years 255 days
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized (in Dollars)				$ 200,000			$ 200,000

[1] Reflects reversal of stock-based compensation expense of $289 thousand for the cancellation of unvested stock options granted to our former President and Chief Executive Officer, Cynthia F. Ansari.