Summary of Significant Accounting Policies (Detail Textuals)	12 Months Ended
Mar. 31, 2016
Accounting Policies [Abstract]
Withholding tax payable percentage	5.00%

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

No definition available.

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