XML 30 R15.htm IDEA: XBRL DOCUMENT
v3.20.4

Note 8 - Components of Working Capital Accounts | 12 Months Ended
--- | ---
Dec. 31, 2020
Notes to Financial Statements |
Supplemental Balance Sheet Disclosures [Text Block] |
8. | Components of working capital accounts
|  | December 31, |  | December 31,
|  | 2020 |  | 2019
Inventories |  |  |  |  |  |  |  |
Work-in-progress |  | $ | 103,969 |  |  | $ | 66,514 |
Finished goods |  |  | 16,531 |  |  |  | 15,347 |
Supplies and other |  |  | 21,479 |  |  |  | 12,650 |
|  | $ | 141,979 |  |  | $ | 94,511 |
Accrued liabilities |  |  |  |  |  |  |  |
Accrued payroll and benefits |  | $ | 160,795 |  |  | $ | 94,010 |
Value appreciation plans |  |  | 35 |  |  |  | 6,510 |
Customer advances |  |  | 2,730 |  |  |  | 1,454 |
Other |  |  | 87,632 |  |  |  | 63,470 |
|  | $ | 251,192 |  |  | $ | 165,444 |

X
- References No definition available. + Details
Name: | us-gaap_DisclosureTextBlockAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The entire disclosure for supplemental balance sheet disclosures, including descriptions and amounts for assets, liabilities, and equity. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -URI http://asc.fasb.org/topic&trid=2122208 + Details
Name: | us-gaap_SupplementalBalanceSheetDisclosuresTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration