Represents the number of major customers accounting for 10% or more of the specified concentration risk benchmark, which includes, but not limited to, sales revenue, accounts receivable, etc

No definition available.

+ Details

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- Definition

For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

+ References

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- Definition

Amount of revenue recognized that was previously included in balance of obligation to transfer good or service to customer for which consideration from customer has been received or is due.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
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-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=118956577&loc=SL49130549-203045

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- Definition

Amount of cash and cash equivalents restricted as to withdrawal or usage. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits. Cash equivalents include, but are not limited to, short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.

+ References

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- Details

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Namespace Prefix:
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- Details

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Period Type:

- Details

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- Details

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- Details

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- Details

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Namespace Prefix:
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Note 2 - Significant Accounting Policies (Details Textual)	3 Months Ended		9 Months Ended
	Dec. 31, 2019 USD ($)	Dec. 31, 2018 USD ($)	Dec. 31, 2019 USD ($)	Dec. 31, 2018 USD ($)	Mar. 31, 2019 USD ($)	Mar. 31, 2018 USD ($)
Restricted Cash and Cash Equivalents, Total	$ 0		$ 0		$ 0	$ 65,000
Contract with Customer, Liability, Revenue Recognized	$ 33,000	$ 0	$ 550,000	$ 114,000
Customer Concentration Risk [Member] \| Revenue Benchmark [Member]
Number of Major Customers	2	2	2	2
Customer Concentration Risk [Member] \| Revenue Benchmark [Member] \| Customer Number 1 [Member]
Concentration Risk, Percentage	33.00%	35.00%	36.00%	35.00%
Customer Concentration Risk [Member] \| Revenue Benchmark [Member] \| Customer Number 2 [Member]
Concentration Risk, Percentage	17.00%	31.00%	17.00%	27.00%
Customer Concentration Risk [Member] \| Accounts Receivable [Member]
Number of Major Customers			3	3
Customer Concentration Risk [Member] \| Accounts Receivable [Member] \| Three Customers [Member]
Concentration Risk, Percentage			76.00%	60.00%