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Note 8 - Note Payable (Detail) - Future Principal Payments Due on the Credit Agreement (USD $)	Mar. 31, 2013
2014	$ 1,826,612
2015	2,053,182
2016	1,120,206
	$ 5,000,000

Carrying amount of long-term debt, net of unamortized discount or premium, including current and noncurrent amounts. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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