XML 79 R34.htm IDEA: XBRL DOCUMENT v2.4.0.8

Summary of Significant Accounting Policies (Detail Textuals)	12 Months Ended
	Mar. 31, 2014
Accounting Policies [Abstract]
Withholding tax payable percentage	5.00%

X

- Definition

This element represents the percentage of withholding tax payable by the entity.

+ References

No definition available.

+ Details

Name:	nick_DividendDistributionWithholdingTaxPercentage
Namespace Prefix:	nick_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

X

- Details

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