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REVENUE - contract assets and contract liabilities (Details) - USD ($)	Jun. 30, 2019	Mar. 31, 2019
Contract assets
Contract with Customer, Asset, Net, Current	$ 2,873,611	$ 4,390,832
Unbilled Revenues [Member]
Contract assets
Contract with Customer, Asset, Net, Current	8,771,341	9,324,361
Progress Payments Receivable [Member]
Contract assets
Contract with Customer, Asset, Net, Current	$ (5,897,730)	$ (4,933,529)

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- References

No definition available.

+ Details

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- Definition

Amount, after allowance for credit loss, of right to consideration in exchange for good or service transferred to customer when right is conditioned on something other than passage of time, classified as current.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 45
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=82913815&loc=SL49130531-203044

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 45
-Paragraph 3
-URI http://asc.fasb.org/extlink&oid=82913815&loc=SL49130533-203044

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- Details

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