Note 6 - Long-Term Debt (Details) (USD $)	3 Months Ended		6 Months Ended			6 Months Ended					3 Months Ended		6 Months Ended	12 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012	Mar. 31, 2013	Sep. 30, 2013 Principal Amount [Member] Private Investor Securities Purchase Agreement [Member]	Sep. 30, 2013 Penalty Fee [Member] Private Investor Securities Purchase Agreement [Member]	Sep. 30, 2013 Accrued Interest [Member] Private Investor Securities Purchase Agreement [Member]	Sep. 30, 2013 BCA Mezzanine Fund LLP Promissory Note [Member] Consideration for Waiver of Non-Compliance of Covenants, June 30, 2013 [Member]	Sep. 30, 2013 BCA Mezzanine Fund LLP Promissory Note [Member] Consideration for Waiver of Non-Compliance of Covenants, March 31, 2013 [Member]	Sep. 30, 2013 BCA Mezzanine Fund LLP Promissory Note [Member]	Mar. 31, 2011 BCA Mezzanine Fund LLP Promissory Note [Member]	Sep. 30, 2013 Private Investor Securities Purchase Agreement [Member]	Mar. 31, 2013 Private Investor Securities Purchase Agreement [Member]
Note 6 - Long-Term Debt (Details) [Line Items]
Debt Instrument, Face Amount												$ 2,500,000		$ 600,000
Debt Instrument, Covenant Compliance											Company was not in compliance with four covenants related to maintaining agreed upon financial ratios for fixed charges, leverage and debt service as well as a requirement for earnings before interest, taxes, depreciation and amortization (EBITDA).
Class of Warrant or Rights, Granted (in Shares)									20,000	20,000				50,000
Class of Warrant or Right, Exercise Price of Warrants or Rights (in Dollars per Item)									$ 3.69	$ 3.33				$ 3.35
Warratns, expiration date									Sep. 10, 2019	Sep. 10, 2019				Sep. 10, 2019
Debt Instrument, Unamortized Discount									21,587	19,523
Proceeds from Debt, Net of Issuance Costs														489,000
Debt Instrument, Interest Rate, Stated Percentage														14.00%
Common Stock, Par or Stated Value Per Share (in Dollars per share)	$ 0.10		$ 0.10		$ 0.10									$ 0.10
Debt Conversion, Original Debt, Amount			700,000	0		600,000	25,000	12,400					637,400
Debt Conversion, Converted Instrument, Shares Issued (in Shares)													200,000
Debt Instrument, Convertible, Conversion Price (in Dollars per share)													$ 3.187
Share Price (in Dollars per share)													$ 3.32
Gains (Losses) on Extinguishment of Debt	$ 0	$ 0	$ (26,600)	$ 0									$ 26,600
Debt Instrument, Description													As further consideration to the Private Investor, the Company agreed that each time the Company issues any new shares of Common Stock in the next two years (excluding the exercise of existing stock options and warrants currently outstanding), at a price lower than a purchase orice of $3.187 per share purchase price, the Company will issue additional shares to the Private Investor, for no additional consideration, based on the differential between the $3.187 price and the price paid for the newly issued shares of common stock.