Note 9 - Fair Value Measurements (Details) - Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques (USD $)			0 Months Ended	6 Months Ended	12 Months Ended		0 Months Ended	6 Months Ended	12 Months Ended		0 Months Ended	6 Months Ended	12 Months Ended		0 Months Ended	6 Months Ended	12 Months Ended		0 Months Ended	6 Months Ended	12 Months Ended		0 Months Ended	6 Months Ended	12 Months Ended		0 Months Ended	6 Months Ended	12 Months Ended		0 Months Ended	6 Months Ended	12 Months Ended
	Sep. 30, 2014	Mar. 31, 2014	Sep. 10, 2010 Warrant [Member] Warrant Issued 09-10-2010 [Member]	Sep. 30, 2014 Warrant [Member] Warrant Issued 09-10-2010 [Member]	Mar. 31, 2014 Warrant [Member] Warrant Issued 09-10-2010 [Member]	Sep. 10, 2010 Warrant [Member] Warrant Issued 09-10-2010 [Member]	Sep. 10, 2010 Warrant [Member] Warrant Issued 09-10-2010 #2 [Member]	Sep. 30, 2014 Warrant [Member] Warrant Issued 09-10-2010 #2 [Member]	Mar. 31, 2014 Warrant [Member] Warrant Issued 09-10-2010 #2 [Member]	Sep. 10, 2010 Warrant [Member] Warrant Issued 09-10-2010 #2 [Member]	Jul. 26, 2012 Warrant [Member] Warrant Issued 07-26-2012 [Member]	Sep. 30, 2014 Warrant [Member] Warrant Issued 07-26-2012 [Member]	Mar. 31, 2014 Warrant [Member] Warrant Issued 07-26-2012 [Member]	Jul. 26, 2012 Warrant [Member] Warrant Issued 07-26-2012 [Member]	Jul. 26, 2012 Warrant [Member] Warrant Issued 07-26-2012 #2 [Member]	Sep. 30, 2014 Warrant [Member] Warrant Issued 07-26-2012 #2 [Member]	Mar. 31, 2014 Warrant [Member] Warrant Issued 07-26-2012 #2 [Member]	Jul. 26, 2012 Warrant [Member] Warrant Issued 07-26-2012 #2 [Member]	Nov. 20, 2012 Warrant [Member] Warrant Issued 11-20-2012 [Member]	Sep. 30, 2014 Warrant [Member] Warrant Issued 11-20-2012 [Member]	Mar. 31, 2014 Warrant [Member] Warrant Issued 11-20-2012 [Member]	Nov. 20, 2012 Warrant [Member] Warrant Issued 11-20-2012 [Member]	Feb. 14, 2013 Warrant [Member] Warrant Issued 02-14-2013 [Member]	Sep. 30, 2014 Warrant [Member] Warrant Issued 02-14-2013 [Member]	Mar. 31, 2014 Warrant [Member] Warrant Issued 02-14-2013 [Member]	Feb. 14, 2013 Warrant [Member] Warrant Issued 02-14-2013 [Member]	Jul. 12, 2013 Warrant [Member] Warrant Issued 07-12-2013 [Member]	Sep. 30, 2014 Warrant [Member] Warrant Issued 07-12-2013 [Member]	Mar. 31, 2014 Warrant [Member] Warrant Issued 07-12-2013 [Member]	Jul. 12, 2013 Warrant [Member] Warrant Issued 07-12-2013 [Member]	Aug. 12, 2013 Warrant [Member] Warrant Issued 08-12-2013 [Member]	Sep. 30, 2014 Warrant [Member] Warrant Issued 08-12-2013 [Member]	Mar. 31, 2014 Warrant [Member] Warrant Issued 08-12-2013 [Member]	Aug. 12, 2013 Warrant [Member] Warrant Issued 08-12-2013 [Member]
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]
Expiration Date			Sep. 10, 2019	Sep. 10, 2019	Sep. 10, 2019		Sep. 10, 2015	Sep. 10, 2015	Sep. 10, 2015		Sep. 10, 2019	Sep. 10, 2019	Sep. 10, 2019		Sep. 10, 2019	Sep. 10, 2019	Sep. 10, 2019		Sep. 10, 2019	Sep. 10, 2019	Sep. 10, 2019		Sep. 10, 2019	Sep. 10, 2019	Sep. 10, 2019		Sep. 10, 2019	Sep. 10, 2019	Sep. 10, 2019		Sep. 10, 2019	Sep. 10, 2019	Sep. 10, 2019
Number of Warrants (in Shares)			136,920	136,920	136,920		10,416	10,416	10,416		50,000	50,000	50,000		20,000	20,000	20,000		20,000	20,000	20,000		20,000	20,000	20,000		20,000	20,000	20,000		20,000	20,000	20,000
Exercise Price (in Dollars per Share)				$ 6.70	$ 6.70	$ 6.70		$ 6.70	$ 6.70	$ 6.70		$ 3.35	$ 3.35	$ 3.35		$ 3.35	$ 3.35	$ 3.35		$ 3.56	$ 3.56	$ 3.56		$ 3.58	$ 3.58	$ 3.58		$ 3.33	$ 3.33	$ 3.33		$ 3.69	$ 3.69	$ 3.69
Fair Value Per Share (in Dollars per share)				$ 5.34	$ 4.42	$ 6.70		$ 5.34	$ 4.42	$ 6.70		$ 5.34	$ 4.42	$ 3.90		$ 5.34	$ 4.42	$ 3.90		$ 5.34	$ 4.42	$ 3.50		$ 5.34	$ 4.42	$ 3.80		$ 5.34	$ 4.42	$ 3.32		$ 5.34	$ 4.42	$ 3.69
Expected Volatality			28.51%	41.86%	43.35%		28.51%	41.86%	43.35%		42.04%	41.86%	43.35%		42.04%	41.86%	43.35%		42.45%	41.86%	43.35%		41.25%	41.86%	43.35%		40.26%	41.86%	43.35%		40.20%	41.86%	43.35%
Remaining Life in Years			9 years	4 years 346 days	5 years 164 days		5 years	346 days	1 year 164 days		7 years	4 years 346 days	5 years 164 days		7 years	4 years 346 days	5 years 164 days		6 years 302 days	4 years 346 days	5 years 164 days		6 years 211 days	4 years 346 days	5 years 164 days		6 years 62 days	4 years 346 days	5 years 164 days		6 years 29 days	4 years 346 days	5 years 164 days
Risk Free Interest Rate			2.81%	1.78%	1.73%		1.59%	0.13%	0.44%		0.94%	1.78%	1.73%		0.94%	1.78%	1.73%		1.09%	1.78%	1.73%		1.43%	1.78%	1.73%		2.00%	1.78%	1.73%		2.01%	1.78%	1.73%
Warrant Liability (in Dollars)	$ 460,389	$ 354,309		$ 160,990	$ 123,564	$ 267,848		$ 3,199	$ 2,498	$ 13,808		$ 100,668	$ 77,626	$ 66,193		$ 40,267	$ 31,050	$ 26,477		$ 38,818	$ 29,892	$ 21,441		$ 38,085	$ 29,310	$ 23,714		$ 40,409	$ 31,163	$ 19,523		$ 37,953	$ 29,206	$ 21,587