Equity impact of the value of stock that has been repurchased during the period and has not been retired and is not held in treasury. Some state laws may mandate the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock.

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(28))
-URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section 50
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=109259400&loc=d3e21463-112644

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.3-04)
-URI http://asc.fasb.org/extlink&oid=120397183&loc=d3e187085-122770

Reference 4: 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(29))
-URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

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

Stock Transactions (Adoption Of Stock Repurchase Plan) (Narrative) (Details) - USD ($)										3 Months Ended
	Mar. 30, 2020	Sep. 23, 2019	May 31, 2019	Dec. 19, 2018	Aug. 29, 2018	Dec. 15, 2017	May 01, 2017	Feb. 13, 2017	Aug. 23, 2016	Mar. 31, 2020	Mar. 31, 2019
Repurchase of shares, value										$ 36,333	$ 8,615
Common Stock [Member]
Repurchase of shares, shares										(283,383)	(45,470)
Repurchase of shares, value										$ (28)	$ (3)
Stock Repurchase Plan [Member] \| Common Stock [Member]
Value of shares authorized to be repurchased	$ 750,000	$ 750,000	$ 1,000,000	$ 750,000	$ 1,000,000	$ 750,000			$ 750,000
Repurchase of shares, shares							666,667	1,000,000		283,383
Exercise price of shares repurchased							$ 0.15	$ 0.15
Repurchase of shares, value										$ 36,333
Stock Repurchase Plan [Member] \| Common Stock-Total [Member]
Repurchase of shares, shares										750,000
Repurchase of shares, value										$ 107,740