Debt instrument extended date.

No definition available.

Name:	NIMU_DebtInstrumentExtendedDate
Namespace Prefix:	NIMU_
Data Type:	xbrli:dateItemType
Balance Type:	na
Period Type:	duration

- Definition

Face (par) amount of debt instrument at time of issuance.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=114775744&loc=d3e28551-108399

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 55
-Paragraph 8
-URI http://asc.fasb.org/extlink&oid=114775985&loc=d3e28878-108400

+ Details

Name:	us-gaap_DebtInstrumentFaceAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

+ References

+ Details

Name:	us-gaap_DebtInstrumentInterestRateStatedPercentage
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Date when the debt instrument is scheduled to be fully repaid, in CCYY-MM-DD format.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.22(a)(2))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (bbb)(2)
-URI http://asc.fasb.org/extlink&oid=99377789&loc=d3e19207-110258

+ Details

Name:	us-gaap_DebtInstrumentMaturityDate
Namespace Prefix:	us-gaap_
Data Type:	xbrli:dateItemType
Balance Type:	na
Period Type:	duration

- Definition

The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 323
-SubTopic 10
-Section 50
-Paragraph 3
-Subparagraph (a)(1)
-URI http://asc.fasb.org/extlink&oid=114001798&loc=d3e33918-111571

+ Details

Name:	us-gaap_EquityMethodInvestmentOwnershipPercentage
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(22))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03(16))
-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03(16))
-URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910

+ Details

Name:	us-gaap_LineOfCredit
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The cash inflow from a long-term borrowing made from related parties where one party can exercise control or significant influence over another party; including affiliates, owners or officers and their immediate families, pension trusts, and so forth. Alternate caption: Proceeds from Advances from Affiliates.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 14
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3255-108585

+ Details

Name:	us-gaap_ProceedsFromRelatedPartyDebt
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

Name:	us-gaap_ShortTermDebtLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

Notes Payable (Details Narrative) - USD ($) $ in Thousands												12 Months Ended
Notes Payable (Details Narrative) - USD ($) $ in Thousands	Apr. 06, 2017	Jun. 01, 2016	Oct. 27, 2015	Aug. 12, 2015	Apr. 16, 2015	Feb. 02, 2015	Sep. 24, 2014	Feb. 22, 2013	May 30, 2012	Sep. 12, 2011	Mar. 31, 2010	Jul. 31, 2018	Jul. 31, 2017	Feb. 15, 2018	Sep. 22, 2017
Short-term Debt [Line Items]
Proceeds from unrelated third party												$ 300	$ 100
Frost Gamma Investment Trust [Member] \| 2011 Promissory Notes [Member]
Short-term Debt [Line Items]
Beneficial ownership percentage										10.00%
Aggregate principal amount										$ 50
Debt instrument extended date										Jul. 31, 2020
Debt instrument interest rate										11.00%
Proceeds from unrelated third party										$ 100
Debt instrument maturity date										Sep. 12, 2014
Frost Gamma Investment Trust [Member] \| 2015 Promissory Note [Member]
Short-term Debt [Line Items]
Beneficial ownership percentage			10.00%	10.00%	10.00%
Aggregate principal amount			$ 50	$ 25	$ 100
Debt instrument interest rate			11.00%	11.00%	11.00%
Debt instrument maturity date			Jul. 31, 2017	Jul. 31, 2017	Jul. 31, 2015
Frost Gamma Investment Trust [Member] \| 2016 Promissory Note [Member]
Short-term Debt [Line Items]
Beneficial ownership percentage		10.00%
Aggregate principal amount		$ 100
Debt instrument interest rate		11.00%
Debt instrument maturity date		Jul. 31, 2017
Hsu Gamma Investments L P [Member] \| 2012 Promissory Note [Member]
Short-term Debt [Line Items]
Aggregate principal amount									$ 50
Debt instrument interest rate									11.00%
Debt instrument maturity date									Sep. 12, 2014
Jane Hsiao [Member] \| 2013 Promissory Note [Member]
Short-term Debt [Line Items]
Aggregate principal amount								$ 50
Debt instrument interest rate								11.00%
Debt instrument maturity date								Sep. 12, 2014
Jane Hsiao [Member] \| 2014 Promissory Note [Member]
Short-term Debt [Line Items]
Aggregate principal amount							$ 50
Debt instrument interest rate							11.00%
Debt instrument maturity date							Jul. 31, 2015
Jane Hsiao [Member] \| 2015 Promissory Note [Member]
Short-term Debt [Line Items]
Aggregate principal amount			$ 50			$ 50
Debt instrument interest rate			11.00%			11.00%
Debt instrument maturity date			Jul. 31, 2017			Jul. 31, 2015
Hsu Gamma [Member] \| 2016 Promissory Note [Member]
Short-term Debt [Line Items]
Aggregate principal amount		$ 100
Debt instrument interest rate		11.00%
Debt instrument maturity date		Jul. 31, 2017
Hsu Gamma [Member] \| 2017 Promissory Notes [Member]
Short-term Debt [Line Items]
Aggregate principal amount	$ 50														$ 50
Debt instrument interest rate	11.00%														11.00%
Debt instrument maturity date	Jul. 31, 2017
Hsu Gamma [Member] \| 2018 Promissory Notes [Member]
Short-term Debt [Line Items]
Beneficial ownership percentage														10.00%
Aggregate principal amount														$ 100
Debt instrument interest rate														11.00%
Frost Gamma [Member] \| 2017 Promissory Notes [Member]
Short-term Debt [Line Items]
Beneficial ownership percentage	10.00%														10.00%
Aggregate principal amount	$ 50														$ 50
Debt instrument interest rate	11.00%														11.00%
Debt instrument maturity date	Jul. 31, 2017
Frost Gamma [Member] \| 2018 Promissory Notes [Member]
Short-term Debt [Line Items]
Beneficial ownership percentage														10.00%
Aggregate principal amount														$ 100
Debt instrument interest rate														11.00%
2010 Credit Facility [Member] \| Lender [Member]
Short-term Debt [Line Items]
Aggregate principal amount											$ 100
2010 Credit Facility [Member] \| Frost Gamma and Hsu Gamma [Member]
Short-term Debt [Line Items]
Beneficial ownership percentage											10.00%
Aggregate principal amount											$ 1,000
Debt instrument extended date											Jul. 31, 2020
Debt instrument interest rate											11.00%
2010 Credit Facility [Member] \| Frost Gamma and Hsu Gamma [Member] \| Maximum [Member]
Short-term Debt [Line Items]
Debt instrument interest rate											16.00%
Credit Facility [Member]
Short-term Debt [Line Items]
Line of credit facility outstanding												$ 1,000	$ 1,000