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Note 12 - Commitments and Contingencies (Details) (USD $)
 0 Months Ended 0 Months Ended
Mar. 31, 2014
Mar. 31, 2013
Mar. 31, 2014
General and Administrative Expense [Member]
Other Accrued Expenses [Member]
Mar. 31, 2013
General and Administrative Expense [Member]
Other Accrued Expenses [Member]
Nov. 06, 2013
Amega Scientific Corporation [Member]
May 15, 2012
Amega Scientific Corporation [Member]
May 15, 2012
Bios [Member]
Mar. 31, 2014
Bios [Member]
Nov. 06, 2013
Minimum [Member]
Amega Scientific Corporation [Member]
Nov. 06, 2013
Maximum [Member]
Amega Scientific Corporation [Member]
Note 12 - Commitments and Contingencies (Details) [Line Items]                    
Business Acquisition Earn Out Period for Determination of Contingent Consideration         3 years   3 years      
Business Combination, Contingent Consideration Arrangements, Range of Outcomes, Value, Low         $ 0 $ 0 $ 0      
Business Combination, Contingent Consideration Arrangements, Range of Outcomes, Value, High         10,000,000 10,000,000 6,710,000      
Business Acquisition Agreement Holdback Payment Period from Effective Date Less Any Losses Incurred by Buyer Payable to Seller         3 years          
Business Acquisition Revenue Required in Three Years Subsequent to Acquisition for Payment of Contingent Consideration                 31,625,000 43,500,000
Business Combination, Contingent Consideration, Liability 1,620,000 2,140,000     500,000   2,140,000 1,120,000    
Business Acquisition Minimum Revenue Required in Three Years Subsequent to Acquisition for Payment of Contingent Consideration             22,127,000      
Sales and Excise Tax Payable     $ 1,408,000 $ 100,000            
Number of States Due Sales Tax   1