CPS Technologies (CPSH) 10-Q/A 29 Nov 21 2021 Q2 Quarterly report (amended) Financial data

Document And Entity Information

Document And Entity Information - shares	6 Months Ended
	Jun. 26, 2021	Aug. 06, 2021
Document Information [Line Items]
Entity Central Index Key	0000814676
Entity Registrant Name	CPS TECHNOLOGIES CORP/DE/
Amendment Flag	true
Current Fiscal Year End Date	--12-25
Document Fiscal Period Focus	Q2
Document Fiscal Year Focus	2021
Document Type	10-Q/A
Document Quarterly Report	true
Document Period End Date	Jun. 26, 2021
Document Transition Report	false
Entity File Number	0-16088
Entity Incorporation, State or Country Code	DE
Entity Tax Identification Number	04-2832509
Entity Address, Address Line One	111 South Worcester Street
Entity Address, City or Town	Norton
Entity Address, State or Province	MA
Entity Address, Postal Zip Code	02766-2102
City Area Code	508
Local Phone Number	222-0614
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Non-accelerated Filer
Entity Small Business	true
Entity Emerging Growth Company	false
Entity Shell Company	false
Title of 12(b) Security	Common Stock, $0.01 par value
Trading Symbol	CPSH
Security Exchange Name	NASDAQ
Entity Common Stock, Shares Outstanding		14,322,617
Amendment Description	The sole purpose of this Amendment No. 1 to the Quarterly Report on Form 10-Q (the “Form 10-Q”) of CPS Technologies Corp. for the quarterly period ended June 26, 2021, filed with the Securities and Exchange Commission on August 13, 2021, is to furnish Exhibit 101 to the Form 10-Q in accordance with Rule 405 of Regulation S-T. Exhibit 101 to the Form 10-Q provides the consolidated financial statements and related notes from the Form 10-Q formatted in iXBRL (Inline eXtensible Business Reporting Language).   No other changes have been made to the Form 10-Q. This Amendment No. 1 to the Form 10-Q speaks as of the original filing date of the Form 10-Q, does not reflect events that may have occurred subsequent to the original filing date, and does not modify or update in any way disclosures made in the original Form 10-Q.   Pursuant to Rule 406 of Regulation S-T, the interactive data files on Exhibit 101 hereto are deemed not filed or part of a registration statement or prospectus for purposes of Sections 11 or 12 of the Securities Act of 1933, as amended, are deemed not filed for purposes of Section 18 of the Securities Exchange Act of 1934, as amended, and otherwise are not subject to liability under those sections.

Balance Sheets (Unaudited)

Balance Sheets (Unaudited) - USD ($)	Jun. 26, 2021	Dec. 26, 2020
Current assets:
Cash and cash equivalents	$ 3,015,760	$ 195,203
Accounts receivable-trade, net	4,432,310	2,914,800
Inventories, net	3,989,435	3,709,471
Prepaid expenses and other current assets	273,523	71,506
Total current assets	11,711,028	6,890,980
Property and equipment:
Production equipment	10,343,553	10,265,471
Furniture and office equipment	568,846	568,846
Leasehold improvements	951,384	951,384
Total cost	11,863,783	11,785,701
Accumulated depreciation and amortization	(10,831,191)	(10,558,816)
Construction in progress	140,270	61,062
Net property and equipment	1,172,862	1,287,947
Right-of-use lease asset	638,000	25,000
Deferred taxes, net	117,000	117,000
Total assets	$ 13,638,890	$ 8,320,927

Balance Sheets (Unaudited) 2

Balance Sheets (Unaudited) 2 - USD ($)	Jun. 26, 2021	Dec. 26, 2020
Current liabilities:
Note payable, current portion	$ 59,438	$ 58,134
Accounts payable	1,522,336	909,291
Accrued expenses	997,755	804,091
Deferred revenue	400,874	12,177
Current lease liability	151,000	25,000
Total current liabilities	3,131,403	1,808,693
Note payable less current portion	124,566	154,570
Long-term lease liability	487,000	0
Total liabilities	3,742,969	1,963,263
Stockholders` equity:
Common stock, $0.01 par value, authorized 20,000,000 shares; issued 14,300,771 and 13,746,242; outstanding 14,300,548 and 13,313,790; at June 26, 2021 and December 26, 2020;	143,007	137,462
Additional paid-in capital	38,956,952	36,688,894
Accumulated deficit	(29,202,268)	(29,472,369)
Less cost of 223 and 432,452 common shares repurchased at June 26, 2021 and December 26, 2020	(1,770)	(996,323)
Total stockholders` equity	9,895,921	6,357,664
Total liabilities and stockholders` equity	$ 13,638,890	$ 8,320,927

Balance Sheets (Unaudited) 2 (P

Balance Sheets (Unaudited) 2 (Parentheticals) - $ / shares	Jun. 26, 2021	Dec. 26, 2020
Common stock, par value (in dollars per share)	$ 0.01	$ 0.01
Common stock, authorized shares (in shares)	20,000,000	20,000,000
Common stock, issued shares (in shares)	14,300,771	13,746,242
Common stock, outstanding shares (in shares)	14,300,548	13,313,790
Treasury stock, shares (in shares)	223	432,452

Statements of Operations (Unaud

Statements of Operations (Unaudited) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 26, 2021	Jun. 27, 2020	Jun. 26, 2021	Jun. 27, 2020
Product sales	$ 5,862,183	$ 5,758,015	$ 10,727,890	$ 12,269,586
Total revenues	5,862,183	5,758,015	10,727,890	12,269,586
Cost of product sales	4,510,600	4,574,686	8,432,168	9,536,047
Gross Margin	1,351,583	1,183,329	2,295,722	2,733,539
Selling, general, and administrative expense	1,098,616	852,773	2,007,087	1,781,362
Income from operations	252,967	330,556	288,635	952,176
Interest income (expense), net	(13,769)	(31,325)	(18,079)	(51,291)
Net income before income tax	239,198	299,231	270,556	900,885
Income tax provision	0	0	456	0
Net income	$ 239,198	$ 299,231	$ 270,101	$ 900,885
Net income per basic common share (in dollars per share)	$ 0.02	$ 0.02	$ 0.02	$ 0.07
Weighted average Common shares Outstanding (in shares)	13,982,177	13,207,436	13,783,276	13,207,436
Net income per diluted common share (in dollars per share)	$ 0.02	$ 0.02	$ 0.02	$ 0.07
Weighted average number of diluted common shares outstanding (in shares)	14,550,918	13,259,783	14,407,904	13,253,457

Statements of Stockholders' Equ

Statements of Stockholders' Equity (Unaudited) - USD ($)	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Treasury Stock [Member]	Total
Balance (in shares) at Dec. 28, 2019	13,427,492
Balance at Dec. 28, 2019	$ 134,275	$ 36,094,201	$ (30,380,433)	$ (517,053)	$ 5,330,990
Share-based compensation expense	$ 0	83,063	0	0	83,063
Issuance of common stock (in shares)	0
Issuance of common stock	$ 0	0	0	0	$ 0
Employee option exercises (in shares)					0
Net income			900,885	0	$ 900,885
Balance (in shares) at Jun. 27, 2020	13,427,492
Balance at Jun. 27, 2020	$ 134,275	36,177,264	(29,479,548)	(517,053)	6,314,938
Balance (in shares) at Mar. 28, 2020	13,427,492
Balance at Mar. 28, 2020	$ 134,275	36,159,874	(29,778,779)	(517,053)	5,998,317
Share-based compensation expense	$ 0	17,390	0	0	17,390
Issuance of common stock (in shares)	0
Issuance of common stock	$ 0	0	0	0	$ 0
Employee option exercises (in shares)					0
Net income			299,231	0	$ 299,231
Balance (in shares) at Jun. 27, 2020	13,427,492
Balance at Jun. 27, 2020	$ 134,275	36,177,264	(29,479,548)	(517,053)	$ 6,314,938
Balance (in shares) at Dec. 26, 2020	13,746,242				13,746,242
Balance at Dec. 26, 2020	$ 137,462	36,688,894	(29,472,369)	(996,323)	$ 6,357,664
Share-based compensation expense	$ 0	119,535	0	0	119,535
Issuance of common stock (in shares)	479,900
Issuance of common stock	$ 4,793	3,132,599	0	0	$ 3,137,392
Employee option exercises (in shares)	629,900				629,900
Employee option exercises	$ 6,299	1,234,630	0	(1,229,700)	$ 11,229
Treasury shares retired (in shares)	(554,660)
Treasury shares retired	$ (5,547)	(2,218,706)	0	2,224,253
Net income			270,101	0	$ 270,101
Balance (in shares) at Jun. 26, 2021	14,300,771				14,300,771
Balance at Jun. 26, 2021	$ 143,007	38,956,952	(29,202,268)	(1,770)	$ 9,895,921
Balance (in shares) at Mar. 27, 2021	14,360,042
Balance at Mar. 27, 2021	$ 143,600	37,925,674	(29,441,466)	(2,201,509)	6,426,299
Share-based compensation expense	$ 0	92,113	0	0	92,113
Issuance of common stock (in shares)	479,289
Issuance of common stock	$ 4,793	3,132,599	0	0	$ 3,137,392
Employee option exercises (in shares)	16,100				16,100
Employee option exercises	$ 161	25,272	0	(24,514)	$ 919
Treasury shares retired (in shares)	(554,660)
Treasury shares retired	$ (5,547)	(2,218,706)	0	2,224,253	0
Net income	$ 0	0	239,198	0	$ 239,198
Balance (in shares) at Jun. 26, 2021	14,300,771				14,300,771
Balance at Jun. 26, 2021	$ 143,007	$ 38,956,952	$ (29,202,268)	$ (1,770)	$ 9,895,921

Statements of Cash Flows (Unaud

Statements of Cash Flows (Unaudited) - USD ($)	6 Months Ended
	Jun. 26, 2021	Jun. 27, 2020
Cash flows from operating activities:
Net income	$ 270,101	$ 900,885
Adjustments to reconcile net income to cash provided by (used in) operating activities:
Depreciation and amortization	284,408	261,688
Share-based compensation	119,535	83,063
Gain on sale of property and equipment	0	(5,000)
Changes in:
Accounts receivable-trade	(1,517,511)	(888,897)
Inventories	(279,963)	(773,044)
Prepaid expenses and other current assets	(202,018)	(25,451)
Accounts payable	613,046	333,743
Accrued expenses	193,665	93,828
Deferred revenue	388,697	461,887
Net cash provided by (used in) operating activities	(130,040)	442,702
Cash flows from investing activities:
Purchases of property and equipment	(163,524)	(233,270)
Proceeds from sale of property and equipment	0	5,000
Net cash used in investing activities	(163,524)	(228,270)
Cash flows from financing activities:
Net borrowings on line of credit	0	(222,823)
Proceeds from exercise of employee stock options, net of repurchases	11,229	0
Proceeds from issuance of common stock	3,137,392	0
Payments on note payable	(34,500)	(8,962)
Net cash provided by (used in) financing activities	3,114,121	(231,785)
Net increase (decrease) in cash and cash equivalents	2,820,557	(17,353)
Cash and cash equivalents at beginning of period	195,203	133,965
Cash and cash equivalents at end of period	3,015,760	116,612
Supplemental disclosures of cash flows information:
Cash paid for interest	18,079	65,741
Supplemental disclosures of non-cash activity:
Issuance of note payable to finance equipment purchase	0	208,583
Net exercise of stock options	$ 24,514	$ 0

Note 1 - Nature of Business

Note 1 - Nature of Business	6 Months Ended
	Jun. 26, 2021
Notes to Financial Statements
Business Description and Basis of Presentation [Text Block]	( 1 CPS Technologies Corp. (the “Company” or “CPS”) provides advanced material solutions to the electronics, power generation, automotive and other industries. The Company’s primary advanced material solution is metal-matrix composites (MMC’s) which are a combination of metal and ceramic. CPS also assembles housings and packages for hybrid circuits. These housings and packages may may Using its proprietary MMC technology, the Company also produces light-weight armor, particularly for extreme environments and heavy threat levels. The Company sells into several end markets including the wireless communications infrastructure market, high-performance microprocessor market, motor controller market, and other microelectronic and structural markets.

Note 2 - Summary of Significant

Note 2 - Summary of Significant Accounting Policies	6 Months Ended
	Jun. 26, 2021
Notes to Financial Statements
Significant Accounting Policies [Text Block]	( 2 Summary of Significant Accounting Policies As permitted by the rules of the Securities and Exchange Commission applicable to quarterly reports on Form 10 not The accompanying financial statements are unaudited. In the opinion of management, the unaudited financial statements of CPS reflect all normal recurring adjustments which are necessary to present fairly the financial position and results of operations for such periods. The Company’s balance sheet at December 26, 2020 not For further information, refer to the financial statements and footnotes thereto included in the Registrant’s Annual Report on Form 10 December 26, 2020 The results of operations for interim periods are not

Note 3 - Net Income Per Common

Note 3 - Net Income Per Common and Common Equivalent Share	6 Months Ended
	Jun. 26, 2021
Notes to Financial Statements
Earnings Per Share [Text Block]	( 3 Basic net income per common share is calculated by dividing net income by the weighted average number of common shares outstanding during the period. Diluted net income per common share is calculated by dividing net income by the sum of the weighted average number of common shares plus additional common shares that would have been outstanding if potential dilutive common shares had been issued for granted stock options and stock purchase rights. Common stock equivalents are excluded from the diluted calculations when a net loss is incurred as they would be anti-dilutive. The following table presents the calculation of both basic and diluted EPS: Three Months Ended Six Months Ended June 26, June 27, June 26, June 27, 2021 2020 2021 2020 Basic EPS Computation: Numerator: Net income (loss) $ 239,198 $ 299,231 $ 270,101 $ 900,885 Denominator: Weighted average Common shares Outstanding 13,982,177 13,207,436 13,783,276 13,207,436 Basic EPS $ 0.02 $ 0.02 $ 0.02 $ 0.07 Diluted EPS Computation: Numerator: Net income (loss) $ 239,198 $ 299,231 $ 270,101 $ 900,885 Denominator: Weighted average Common shares Outstanding 13,982,177 13,207,436 13,783,276 13,207,436 Dilutive effect of stock options 568,741 52,347 624,628 46,021 Total Shares 14,550,918 13,259,783 14,407,904 13,253,457 Diluted EPS $ 0.02 $ 0.02 $ 0.02 $ 0.07

Note 4 - Commitments & Continge

Note 4 - Commitments & Contingencies	6 Months Ended
	Jun. 26, 2021
Notes to Financial Statements
Commitments and Contingencies Disclosure [Text Block]	( 4 Commitments Leases The Company has one February 2026. None 12 The real estate lease expiring in 2026 March 1, 2021 not Operating Leases The Norton facility lease comprises approximately 38 thousand square feet. The lease is triple net lease wherein the Company is responsible for payment of all real estate taxes, operating costs and utilities. The Company also has an option to renew the lease starting in March 2026 February 2032. The following table presents information about the amount, timing and uncertainty of cash flows arising from the Company’s capitalized operating leases as of June 26, 2021 (Dollars in Thousands) June 26, 2021 Maturity of capitalized lease liabilities Lease payments 2021 76 2022 160 2023 162 2024 165 2025 165 2026 28 Total undiscounted operating lease payments $ 756 Less: Imputed interest (118 ) Present value of operating lease liability $ 638 Balance Sheet Classification Current lease liability $ 151 Long-term lease liability 487 Total operating lease liability $ 638 Other Information Weighted-average remaining lease term for capitalized operating leases (in months) 56 Weighted-average discount rate for capitalized operating leases 6.6 % Operating Lease Costs and Cash Flows Operating lease cost and cash paid was $38 thousand during the second 2021 six June 26, 2021. Finance Leases The company does not

Note 5 - Share-based Payments

Note 5 - Share-based Payments	6 Months Ended
	Jun. 26, 2021
Notes to Financial Statements
Share-based Payment Arrangement [Text Block]	( 5 The Company measures the cost of employee services received in exchange for an award of equity instruments based on the grant date fair value of the award. That cost is recognized over the period during which an employee is required to provide services in exchange for the award, the requisite service period (usually the vesting period). The Company provides an estimate of forfeitures at initial grant date. Reductions in compensation expense associated with the forfeited options are estimated at the date of grant, and this estimated forfeiture rate is adjusted periodically based on actual forfeiture experience. The company uses the Black-Scholes option pricing model to determine the fair value of the stock options granted. During the quarter ended June 26, 2021 2020 June 26, 2021 no June 27, 2020. During the three six June 26, 2021 three six June 27, 2020 no During the three six June 26, 2021, three six June 27, 2020 no There were also 869,600 shares outstanding at a weighted average price of $2.14 with a weighted average remaining term of 6.67 years as of June 26, 2021, June 27, 2020. June 26, 2021, As of June 26, 2021, During the three six June 26, 2021, During the three six June 27, 2020,

Note 6 - 2021 At-the-market Off

Note 6 - 2021 At-the-market Offering	6 Months Ended
	Jun. 26, 2021
Notes to Financial Statements
Stockholders' Equity Note Disclosure [Text Block]	( 6 2021 On April 26, 2021, may June 26, 2021, June 26, 2021, August 6, 2021,

Note 7 - Inventories

Note 7 - Inventories	6 Months Ended
	Jun. 26, 2021
Notes to Financial Statements
Inventory Disclosure [Text Block]	( 7 Inventories consist of the following: June 26, December , 26 2021 2020 Raw materials $ 1,363,413 $ 752,760 Work in process 2,203,222 2,800,226 Finished goods 858,955 592,640 Total inventory 4,425,590 4,145,626 Reserve for obsolescence (436,155 ) (436,155 ) Inventories, net $ 3,989,435 $ 3,709,471

Note 8 - Accrued Expenses

Note 8 - Accrued Expenses	6 Months Ended
	Jun. 26, 2021
Notes to Financial Statements
Accounts Payable and Accrued Liabilities Disclosure [Text Block]	( 8 Accrued expenses consist of the following: June 26, December 26, 2021 2020 Accrued legal and accounting $ 56,219 $ 71,671 Accrued payroll and related expenses 762,740 626,063 Accrued other 178,796 106,357 $ 997,755 $ 804,091

Note 9 - Line of Credit

Note 9 - Line of Credit	6 Months Ended
	Jun. 26, 2021
Notes to Financial Statements
Debt Disclosure [Text Block]	( 9 In September 2019, may May 2020 May 2021 June 26, 2021 The line of credit is subject to certain financial covenants, all of which have been met.

Note 10 - Note Payable

Note 10 - Note Payable	6 Months Ended
	Jun. 26, 2021
Notes to Financial Statements
Long-term Debt [Text Block]	( 10 In March 2020, third In July 2020 The aggregate maturities of the notes payable based on the payment terms of the agreement are as follows: Remaining in: Payments due by period FY 2021 $ 29,414 FY 2022 $ 55,906 FY 2023 $ 43,837 FY 2024 $ 46,757 FY 2025 $ 8,090 Total 184,004 Total interest expense on notes payable during 2021

Note 11 - Income Taxes

Note 11 - Income Taxes	6 Months Ended
	Jun. 26, 2021
Notes to Financial Statements
Income Tax Disclosure [Text Block]	( 11 Income Taxes A valuation allowance against deferred tax assets is required to be established or maintained when it is "more likely than not" not December 2018, not not The Coronavirus Aid, Relief and Economic Security Act (“Act”) became law on March 27, 2020. two 80% 2018, 2019 2020. 2018, 2019 2020 five The Company recorded a reduction of the valuation allowance reserve of $8 thousand and $69, respectively during the three six June 26, 2021 three six June 26, 2021. not three June 26, 2021, six

Note 3 - Net Income Per Commo_2

Note 3 - Net Income Per Common and Common Equivalent Share (Tables)	6 Months Ended
	Jun. 26, 2021
Notes Tables
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]	Three Months Ended Six Months Ended June 26, June 27, June 26, June 27, 2021 2020 2021 2020 Basic EPS Computation: Numerator: Net income (loss) $ 239,198 $ 299,231 $ 270,101 $ 900,885 Denominator: Weighted average Common shares Outstanding 13,982,177 13,207,436 13,783,276 13,207,436 Basic EPS $ 0.02 $ 0.02 $ 0.02 $ 0.07 Diluted EPS Computation: Numerator: Net income (loss) $ 239,198 $ 299,231 $ 270,101 $ 900,885 Denominator: Weighted average Common shares Outstanding 13,982,177 13,207,436 13,783,276 13,207,436 Dilutive effect of stock options 568,741 52,347 624,628 46,021 Total Shares 14,550,918 13,259,783 14,407,904 13,253,457 Diluted EPS $ 0.02 $ 0.02 $ 0.02 $ 0.07

Note 4 - Commitments & Contin_2

Note 4 - Commitments & Contingencies (Tables)	6 Months Ended
	Jun. 26, 2021
Notes Tables
Lessee, Operating Lease, Liability, Maturity [Table Text Block]	(Dollars in Thousands) June 26, 2021 Maturity of capitalized lease liabilities Lease payments 2021 76 2022 160 2023 162 2024 165 2025 165 2026 28 Total undiscounted operating lease payments $ 756 Less: Imputed interest (118 ) Present value of operating lease liability $ 638 Balance Sheet Classification Current lease liability $ 151 Long-term lease liability 487 Total operating lease liability $ 638 Other Information Weighted-average remaining lease term for capitalized operating leases (in months) 56 Weighted-average discount rate for capitalized operating leases 6.6 %

Note 7 - Inventories (Tables)

Note 7 - Inventories (Tables)	6 Months Ended
	Jun. 26, 2021
Notes Tables
Schedule of Inventory, Current [Table Text Block]	June 26, December , 26 2021 2020 Raw materials $ 1,363,413 $ 752,760 Work in process 2,203,222 2,800,226 Finished goods 858,955 592,640 Total inventory 4,425,590 4,145,626 Reserve for obsolescence (436,155 ) (436,155 ) Inventories, net $ 3,989,435 $ 3,709,471

Note 8 - Accrued Expenses (Tabl

Note 8 - Accrued Expenses (Tables)	6 Months Ended
	Jun. 26, 2021
Notes Tables
Schedule of Accrued Liabilities [Table Text Block]	June 26, December 26, 2021 2020 Accrued legal and accounting $ 56,219 $ 71,671 Accrued payroll and related expenses 762,740 626,063 Accrued other 178,796 106,357 $ 997,755 $ 804,091

Note 10 - Note Payable (Tables)

Note 10 - Note Payable (Tables)	6 Months Ended
	Jun. 26, 2021
Notes Tables
Schedule of Maturities of Long-term Debt [Table Text Block]	Remaining in: Payments due by period FY 2021 $ 29,414 FY 2022 $ 55,906 FY 2023 $ 43,837 FY 2024 $ 46,757 FY 2025 $ 8,090 Total 184,004

Note 3 - Net Income Per Commo_3

Note 3 - Net Income Per Common and Common Equivalent Share - Table of Both Basic and Diluted EPS (Details) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 26, 2021	Jun. 27, 2020	Jun. 26, 2021	Jun. 27, 2020
Basic EPS Computation:
Net income	$ 239,198	$ 299,231	$ 270,101	$ 900,885
Weighted average Common shares Outstanding (in shares)	13,982,177	13,207,436	13,783,276	13,207,436
Basic EPS (in dollars per share)	$ 0.02	$ 0.02	$ 0.02	$ 0.07
Diluted EPS Computation:
Net income	$ 239,198	$ 299,231	$ 270,101	$ 900,885
Weighted average Common shares Outstanding (in shares)	13,982,177	13,207,436	13,783,276	13,207,436
Dilutive effect of stock options (in shares)	568,741	52,347	624,628	46,021
Total Shares (in shares)	14,550,918	13,259,783	14,407,904	13,253,457
Diluted EPS (in dollars per share)	$ 0.02	$ 0.02	$ 0.02	$ 0.07

Note 4 - Commitments & Contin_3

Note 4 - Commitments & Contingencies (Details Textual) ft² in Thousands, $ in Thousands	3 Months Ended	6 Months Ended
	Jun. 26, 2021USD ($)ft²	Jun. 26, 2021USD ($)ft²
Area of Real Estate Property (Square Foot) | ft²	38	38
Operating Lease, Payments	$ 38	$ 76
Minimum [Member]
Lessee, Operating Lease, Annual Rent Payments		152
Maximum [Member]
Lessee, Operating Lease, Annual Rent Payments		$ 165

Note 4 - Commitments & Contin_4

Note 4 - Commitments & Contingencies - Maturity of Capitalized Lease Liabilities (Details) - USD ($)	Jun. 26, 2021	Dec. 26, 2020
2021	$ 76,000
2022	160,000
2023	162,000
2024	165,000
2025	165,000
2026	28,000
Total undiscounted operating lease payments	756,000
Less: Imputed interest	(118,000)
Present value of operating lease liability	638,000
Current lease liability	151,000	$ 25,000
Long-term lease liability	487,000	$ 0
Total operating lease liability	$ 638,000
Weighted-average remaining lease term for capitalized operating leases (in months) (Month)	56 months
Weighted-average discount rate for capitalized operating leases	6.60%

Note 5 - Share-based Payments (

Note 5 - Share-based Payments (Details Textual) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 26, 2021	Jun. 27, 2020	Jun. 26, 2021	Jun. 27, 2020
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross (in shares)		0
Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price (in dollars per share)	$ 5.81
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period (in shares)	16,100	0	629,900	0
Share-based Compensation Arrangements by Share-based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price (in dollars per share)	$ 1.58		$ 1.97
Stock Repurchased During Period, Shares (in shares)	2,235	0	122,431	0
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number, Ending Balance (in shares)	869,600		869,600
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price, Ending Balance (in dollars per share)	$ 2.14		$ 2.14
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Remaining Contractual Term (Year)			6 years 8 months 1 day
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Number (in shares)		472,200		472,200
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Exercise Price (in dollars per share)		$ 2.14		$ 2.14
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Remaining Contractual Term (Year)				4 years 11 months 12 days
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized (in shares)	1,500,000		1,500,000
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant (in shares)	1,138,000		1,138,000
Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount, Total	$ 445,000		$ 445,000
Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition (Year)			2 years 7 days
Share-based Payment Arrangement, Expensed and Capitalized, Amount, Total	$ 92,113	$ 17,390	$ 119,535	$ 83,063
Employees [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross (in shares)	26,000
Outside Directors [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross (in shares)	22,000

Note 6 - 2021 At-the-market O_2

Note 6 - 2021 At-the-market Offering (Details Textual) - USD ($)	1 Months Ended	2 Months Ended	6 Months Ended
	Aug. 06, 2021	Jun. 26, 2021	Jun. 26, 2021	Jun. 27, 2020	Apr. 26, 2021
Proceeds from Issuance of Common Stock			$ 3,137,392	$ 0
At-the-market Offering [Member]
Stock Offering Agreement, Maximum Offering, Amount					$ 25,000,000
Stock Offering Agreement, Commission, Percent					3.00%
Stock Issued During Period, Shares, New Issues (in shares)		479,289
Proceeds from Issuance of Common Stock		$ 3,356,342
Proceeds from Issuance of Common Stock, Net		3,137,512
At-the-market Offering [Member] | Subsequent Event [Member]
Stock Issued During Period, Shares, New Issues (in shares)	25,267
Proceeds from Issuance of Common Stock	$ 153,659
At-the-market Offering [Member] | Fees to Sales Agent [Member]
Payments of Stock Issuance Costs		100,690
At-the-market Offering [Member] | Other Fees [Member]
Payments of Stock Issuance Costs		$ 118,140

Note 7 - Inventories - Inventor

Note 7 - Inventories - Inventories (Details) - USD ($)	Jun. 26, 2021	Dec. 26, 2020
Raw materials	$ 1,363,413	$ 752,760
Work in process	2,203,222	2,800,226
Finished goods	858,955	592,640
Total inventory	4,425,590	4,145,626
Reserve for obsolescence	(436,155)	(436,155)
Inventories, net	$ 3,989,435	$ 3,709,471

Note 8 - Accrued Expenses - Acc

Note 8 - Accrued Expenses - Accrued Expenses (Details) - USD ($)	Jun. 26, 2021	Dec. 26, 2020
Accrued legal and accounting	$ 56,219	$ 71,671
Accrued payroll and related expenses	762,740	626,063
Accrued other	178,796	106,357
Accounts Payable and Accrued Liabilities, Current, Total	$ 997,755	$ 804,091

Note 9 - Line of Credit (Detail

Note 9 - Line of Credit (Details Textual) - Massachusetts Business Development Corporation [Member] - Revolving Credit Facility [Member] - USD ($) $ in Thousands	Sep. 30, 2019	May 31, 2021	Sep. 30, 2019	Jun. 26, 2021	May 31, 2020
Line of Credit Facility, Maximum Borrowing Capacity	$ 2,500		$ 2,500		$ 3,000
Debt Instrument, Termination Period (Year)	3 years
Long-term Line of Credit, Total				$ 0
Line of Credit Facility, Remaining Borrowing Capacity				$ 3,000
London Interbank Offered Rate (LIBOR) [Member]
Debt Instrument, Basis Spread on Variable Rate		5.50%	6.50%

Note 10 - Note Payable (Details

Note 10 - Note Payable (Details Textual) - USD ($)	1 Months Ended		6 Months Ended
	Jul. 31, 2020	Mar. 31, 2020	Jun. 26, 2021	Dec. 26, 2020
Property, Plant and Equipment, Gross, Ending Balance			$ 11,863,783	$ 11,785,701
Interest Expense, Total			$ 5,800
Microscope Note Payable [Member]
Debt Instrument, Term (Year)		5 years
Debt Instrument, Periodic Payment, Total		$ 4,000
Debt Instrument, Interest Rate, Stated Percentage		6.47%
Machine Vendor Financing [Member]
Debt Instrument, Term (Year)	2 years
Debt Instrument, Periodic Payment, Total	$ 2,000
Debt Instrument, Interest Rate, Stated Percentage	1.90%
Notes Payable, Total	$ 40,000
Sonoscan Ultrasound Microscope [Member]
Property, Plant and Equipment, Gross, Ending Balance		$ 208,000

Note 10 - Note Payable - Note P

Note 10 - Note Payable - Note Payable Maturities (Details)	Jun. 26, 2021USD ($)
FY 2021	$ 29,414
FY 2022	55,906
FY 2023	43,837
FY 2024	46,757
FY 2025	8,090
Total	$ 184,004

Note 11 - Income Taxes (Details

Note 11 - Income Taxes (Details Textual) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 26, 2021	Jun. 27, 2020	Jun. 26, 2021	Jun. 27, 2020
Valuation Allowance, Deferred Tax Asset, Increase (Decrease), Amount	$ (8,000)		$ (69,000)
Income Tax Expense (Benefit), Total	$ 0	$ 0	456	$ 0
Maximum [Member]
Income Tax Expense (Benefit), Total			$ 1,000