XML 32 R21.htm IDEA: XBRL DOCUMENT v3.21.2

Note 1 - Summary of Significant Accounting Policies (Tables)

6 Months Ended

Jun. 30, 2021

Notes Tables

Financing Receivable, Allowance for Credit Loss [Table Text Block]

		June 30, 2021				December 31, 2020
Allowance for doubtful accounts at the beginning of the period		$	498,044			$	612,434
Bad debt expense			76,280				320,270
Receivables written off during the periods			(24,895	)			(484,265	)
Effect of currency translation			(16,607	)			49,605
Allowance for doubtful accounts at the end of the period		$	532,822			$	498,044

Schedule of Revenue from External Customers Attributed to Foreign Countries by Geographic Area [Table Text Block]

		For the Three Months								For the Six Months
		Ended June 30,								Ended June 30,
		2021				2020				2021				2020
United States and Canada		$	195,611			$	307,480			$	361,199			$	433,962
Australia			235,157				61,706				259,851				103,961
South America			596				12,043				596				22,939
Asia			1,223,875				292,756				2,329,217				2,326,044
Europe			2,361,324				3,967,498				5,063,577				12,036,421
		$	4,016,563			$	4,641,483			$	8,014,440			$	14,923,327

Reconciliation of Revenue from Segments to Consolidated [Table Text Block]

		For the Three Months								For the Six Months
		Ended June 30,								Ended June 30,
		2021				2020				2021				2020
Liquid filters and systems		$	1,080,004			$	2,551,710			$	2,237,340			$	10,531,998
Diesel particulate filters			1,810,743				1,160,695				3,741,807				2,720,757
Plastic components			1,016,370				762,384				1,830,396				1,343,794
Development projects			109,446				166,694				204,897				326,778
		$	4,016,563			$	4,641,483			$	8,014,440			$	14,923,327

Contract with Customer, Contract Asset, Contract Liability, and Receivable [Table Text Block]

		June 30, 2021				December 31, 2020
Cost incurred		$	3,894,477			$	3,997,161
Unbilled project deliveries			524,288				1,015,977
VAT			287,773				446,608
Other receivables			110,364				75,010
Prepayments			(4,121,938	)			(3,112,118	)
Deferred Revenue			(815,048	)			(866,680	)
		$	(120,084	)		$	1,555,958
Distributed as follows:
Contract assets		$	1,787,259			$	2,708,136
Contract liabilities			(1,907,343	)			(1,152,178	)

X

- Definition

Tabular disclosure of allowance for credit loss on financing receivable.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 11B
-URI http://asc.fasb.org/extlink&oid=123577603&loc=SL6953423-111524

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 326
-SubTopic 20
-Section 50
-Paragraph 13
-URI http://asc.fasb.org/extlink&oid=124255953&loc=SL82919249-210447

+ Details

Name:	us-gaap_AllowanceForCreditLossesOnFinancingReceivablesTableTextBlock
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Tabular disclosure of receivable, contract asset, and contract liability from contract with customer. Includes, but is not limited to, change in contract asset and contract liability.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 10
-URI http://asc.fasb.org/extlink&oid=123351226&loc=SL49130551-203045

+ Details

Name:	us-gaap_ContractWithCustomerAssetAndLiabilityTableTextBlock
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Tabular disclosure of all significant reconciling items in the reconciliation of total revenues from reportable segments to the entity's consolidated revenues.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 31
-URI http://asc.fasb.org/extlink&oid=123359005&loc=d3e8924-108599

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 30
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=123359005&loc=d3e8906-108599

+ Details

Name:	us-gaap_ReconciliationOfRevenueFromSegmentsToConsolidatedTextBlock
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Tabular disclosure of the names of foreign countries from which revenue is material and the amount of revenue from external customers attributed to those countries. An entity may also provide subtotals of geographic information about groups of countries.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.1)
-URI http://asc.fasb.org/extlink&oid=123367319&loc=SL114868664-224227

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 41
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=123359005&loc=d3e9038-108599

+ Details

Name:	us-gaap_ScheduleOfRevenueFromExternalCustomersAttributedToForeignCountriesByGeographicAreaTextBlock
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- References

No definition available.

+ Details

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