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v3.20.1

Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) | 3 Months Ended
--- | ---
Mar. 28, 2020 | Mar. 30, 2019
Cash flows from operating activities: |  |
Net loss | $ (3,656,991) | $ (11,319,910)
Adjustments to reconcile net loss to net cash used in operating activities: |  |
Depreciation and amortization | 170,805 | 264,389
Accretion of premium or discount on marketable debt securities | 2,344 |
Stock-based compensation | 158,465 | 815,842
Foreign currency losses (gains) | 193,073 | (233,180)
Change in allowance for bad debt | (150,500) | 246,970
Loss on disposal of plant and equipment |  | 180,308
Write-off of excess inventory | 676,063 | 1,253,988
Other non-cash items | (985) | 32,732
Changes in assets and liabilities: |  |
Accounts receivable | 260,602 | (953,353)
Contract assets | (473,551) | 947,986
Inventory | (356,766) | (620,982)
Prepaid expenses and other current assets | (33,168) | 221,926
Accounts payable and accrued expenses | (1,086,534) | 393,941
Billings in excess of revenue earned | 428,688 | 922,540
Net cash used in operating activities | (3,868,455) | (7,846,803)
Cash flows from investing activities: |  |
Other assets | 55,231 | (50,000)
Capital expenditures | (155,930) | (74,920)
Proceeds from sale of marketable debt securities | 6,297,500 | 2,789,139
Net cash provided by investing activities | 6,196,801 | 2,664,219
Cash flows from financing activities: |  |
Sale of registered stock |  | 7,450,000
Settlements of restricted stock for tax withholding obligations |  | (7,128)
Net cash provided by financing activities |  | 7,442,872
Effect of exchange rate changes on cash | (23,990) | (3,110)
Net increase in cash and cash equivalents | 2,304,356 | 2,257,178
Cash and cash equivalents: |  |
Beginning of period | 6,029,247 | 14,326,347
End of period | 8,333,603 | 16,583,525
Supplemental disclosure of cash flow information: |  |
Issuance costs included in accounts payable and accrued expenses |  | $ 140,000

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- Definition Amount of noncash expense for share-based payment arrangement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3602-108585 + Details
Name: | us-gaap_ShareBasedCompensation
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration