XML 51 R24.htm IDEA: XBRL DOCUMENT v3.20.1

SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Tables)

12 Months Ended

Dec. 31, 2019

SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Tables)

Disaggregation of revenue

		Years Ended December 31,
		2019				2018
Fully-Paid Licenses		$	130,000	(1)		$	12,700,000
Royalty Bearing Licenses			2,907,000				3,086,000
Other Revenue			―				6,320,000	(2)
Total Revenue		$	3,037,000			$	22,106,000

X

- References

No definition available.

+ Details

Name:	nssi_DisclosureSummaryOfSignificantAccountingPoliciesTablesAbstract
Namespace Prefix:	nssi_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Tabular disclosure of disaggregation of revenue into categories depicting how nature, amount, timing, and uncertainty of revenue and cash flows are affected by economic factor.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=118956577&loc=SL49130545-203045

+ Details

Name:	us-gaap_DisaggregationOfRevenueTableTextBlock
Namespace Prefix:	us-gaap_
Data Type:	nonnum:textBlockItemType
Balance Type:	na
Period Type:	duration