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Note 13 - Commitments and Contingencies (Details Textual)			1 Months Ended		3 Months Ended	12 Months Ended
	Oct. 15, 2014 USD ($)	Nov. 06, 2013 USD ($)	Oct. 31, 2015 USD ($)	Nov. 30, 2014 USD ($)	Dec. 31, 2016 USD ($)	Mar. 31, 2017 USD ($)	Mar. 31, 2016 USD ($)	Mar. 31, 2015 USD ($)	Oct. 15, 2014 CAD	Mar. 31, 2014 USD ($)	Mar. 31, 2013 USD ($)
Business Combination, Contingent Consideration Arrangements, Change in Amount of Contingent Consideration, Liability						$ (9,554,000)	$ (2,058,000)
Business Combination, Contingent Consideration, Liability						116,000	4,430,000
Number of States Due Sales Tax											1
Anthony Amato and Amega Scientific Corporation [Member]
Loss Contingency Expected Immeditate Accelaration of Stock Option Granted				$ 10,000
Loss Contingency, Damages Sought, Value				10,000,000
Payments for Legal Settlements			$ 3,165,000
Litigation Settlement, Insurance Covered			415,000
Loss Contingency Accrual			$ 1,041,000
Anthony Amato and Amega Scientific Corporation [Member] | Improperly with holding Amount [Member]
Loss Contingency, Damages Sought, Value				704,065.86
General and Administrative Expense [Member] | Other Accrued Expenses [Member]
Sales and Excise Tax Payable								$ 460,000		$ 1,408,000	$ 100,000
General and Administrative Expense [Member] | Anthony Amato and Amega Scientific Corporation [Member]
Gain (Loss) Related to Litigation Settlement							1,709,000
Minimum [Member] | Anthony Amato and Amega Scientific Corporation [Member] | Lost Future Earnings and Punitive Damages [Member]
Loss Contingency, Damages Sought, Value				$ 500,000
PCD [Member]
Business Combination, Payment of Contingent Consideration							$ 150,000
Business Acquisition, Earn Out Period for Determination of Contingent Consideration	3 years
Business Combination, Contingent Consideration Arrangements, Range of Outcomes, Value, Low | CAD									CAD 0
Business Combination, Contingent Consideration Arrangements, Range of Outcomes, Value, High	$ 1,500,000
Business Combination, Contingent Consideration, Liability	300,000
PCD [Member] | Other Expense, Net [Member]
Business Combination, Contingent Consideration Arrangements, Change in Amount of Contingent Consideration, Liability					$ 450,000	$ 450,000
PCD [Member] | Minimum [Member]
Business Acquisition, Revenue Required in Three Years Subsequent to Acquisition for Payment of Contingent Consideration	9,900,000
PCD [Member] | Maximum [Member]
Business Acquisition, Revenue Required in Three Years Subsequent to Acquisition for Payment of Contingent Consideration	$ 12,600,000
Amega Scientific Corporation [Member]
Business Acquisition, Earn Out Period for Determination of Contingent Consideration		3 years
Business Combination, Contingent Consideration Arrangements, Range of Outcomes, Value, Low		$ 0
Business Combination, Contingent Consideration Arrangements, Range of Outcomes, Value, High		10,000,000
Business Combination, Contingent Consideration, Liability		$ 500,000
Business Acquisition, Agreement Holdback, Payment Period from Effective Date Less Any Losses Incurred by Buyer Payable To Seller		3 years
Amega Scientific Corporation [Member] | Minimum [Member]
Business Acquisition, Revenue Required in Three Years Subsequent to Acquisition for Payment of Contingent Consideration		$ 31,625,000
Amega Scientific Corporation [Member] | Maximum [Member]
Business Acquisition, Revenue Required in Three Years Subsequent to Acquisition for Payment of Contingent Consideration		$ 43,500,000

X

- Definition

Represents the holdback payment period from the effective date, less any losses incurred by buyer, payable to seller, as defined in the agreement.

+ References

No definition available.

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- Definition

Represents the earn-out period over which the revenue growth will be assessed to determine the contingent consideration payable.

+ References

No definition available.

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- Definition

Represents the cumulative revenue required based upon a sliding scale of three years subsequent to the acquisition for payment of contingent consideration.

+ References

No definition available.

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- Definition

Amount of contingent consideration paid by the acquirer.

+ References

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- Definition

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+ References

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- Definition

The plaintiffs seeks an immediate acceleration of the stock options which was granted upon initial employment.

+ References

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- Definition

This element represents the number of states to which the company has an estimated state sales tax due for the reporting period.

+ References

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- Definition

Amount of increase (decrease) in the value of a contingent consideration liability, including, but not limited to, differences arising upon settlement.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 30
-Section 50
-Paragraph 4
-Subparagraph (a)(1)
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- Definition

For contingent consideration arrangements recognized in connection with a business combination, this element represents an estimate of the high-end of the potential range (undiscounted) of the consideration which may be paid.

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- Definition

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Amount of liability recognized arising from contingent consideration in a business combination.

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- Definition

Amount of gain (loss) recognized in settlement of litigation and insurance claims. Excludes claims within an insurance entity's normal claims settlement process.

+ References

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- Definition

Amount of loss contingency liability.

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Carrying value as of the balance sheet date of liabilities incurred through that date and payable for statutory sales and use taxes, including value added tax.

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