Gresham Worldwide (GIGAQ) 10-Q 4 Feb 21 2021 Q3 Quarterly report Financial data

Document And Entity Information

Document And Entity Information - shares	9 Months Ended
	Dec. 26, 2020	Jan. 29, 2021
Document Information [Line Items]
Entity Registrant Name	GIGA TRONICS INC
Entity Central Index Key	0000719274
Trading Symbol	giga
Current Fiscal Year End Date	--03-27
Entity Filer Category	Non-accelerated Filer
Entity Current Reporting Status	Yes
Entity Emerging Growth Company	false
Entity Small Business	true
Entity Interactive Data Current	Yes
Entity Common Stock, Shares Outstanding (in shares)		2,635,856
Entity Shell Company	false
Document Type	10-Q
Document Period End Date	Dec. 26, 2020
Document Fiscal Year Focus	2021
Document Fiscal Period Focus	Q3
Amendment Flag	false
Title of 12(b) Security	Common Stock, No par value

Condensed Consolidated Balance

Condensed Consolidated Balance Sheets (Current Period Unaudited) - USD ($) $ in Thousands	Dec. 26, 2020	Mar. 28, 2020	[1]
Current assets:
Cash and cash-equivalents	$ 1,348	$ 657
Trade accounts receivable, net of allowance of $8 and $8, respectively	212	932
Inventories, net	3,136	3,261
Prepaid expenses and other current assets	2,393	2,209
Total current assets	7,089	7,059
Property and equipment, net	456	508
Right of use asset	946	1,183
Other long-term assets	176	176
Total assets	8,667	8,926
Liabilities and shareholders' equity
Accounts payable	1,344	803
Loans payable, net of discounts and issuance costs	273	1,320
Accrued payroll and benefits	515	300
Deferred revenue		159
Lease obligations	440	426
Other current liabilities	331	364
Total current liabilities	2,903	3,372
Other non-current liabilities	30	119
Long term lease obligations	804	1,135
Total liabilities	3,737	4,626
Shareholders' equity:
Common stock; no par value; Authorized – 13,333,333 shares; 2,635,856 shares at December 26, 2020 and March 28, 2020 issued and outstanding	32,157	31,952
Accumulated deficit	(30,149)	(30,574)
Total shareholders' equity	4,930	4,300
Total liabilities and shareholders' equity	8,667	8,926
Series A Preferred Stock [Member]
Shareholders' equity:
Preferred stock
Series B, C, and D Preferred Stock [Member]
Shareholders' equity:
Preferred stock	2,745	2,745
Series E Preferred Stock [Member]
Shareholders' equity:
Preferred stock	$ 177	$ 177
[1]	Derived from the audited consolidated financial statements as of and for the fiscal year ended March 28, 2020.

Condensed Consolidated Balanc_2

Condensed Consolidated Balance Sheets (Current Period Unaudited) (Parentheticals) - USD ($) $ in Thousands	Dec. 26, 2020	Mar. 28, 2020	[1]
Trade accounts receivable, allowance	$ 8	$ 8
Preferred stock, par value (in dollars per share)
Preferred stock, authorized (in shares)	1,000,000	1,000,000
Common stock, par value (in dollars per share)
Common stock, shares authorized (in shares)	13,333,333	13,333,333
Common stock, issued (in shares)	2,635,856	2,635,856
Common stock, outstanding (in shares)	2,635,856	2,635,856
Series A Preferred Stock [Member]
Preferred stock, authorized (in shares)	250,000	250,000
Preferred stock, issued (in shares)	0	0
Preferred stock, outstanding (in shares)	0	0
Series B, C, and D Preferred Stock [Member]
Preferred stock, authorized (in shares)	19,500	19,500
Preferred stock, outstanding (in shares)	17,781.64	17,781.64
Preferred stock, liquidation preference	$ 3,367	$ 3,367
Series E Preferred Stock [Member]
Preferred stock, authorized (in shares)	100,000	100,000
Preferred stock, issued (in shares)	100,000
Preferred stock, outstanding (in shares)	9,200	9,200
Preferred stock, liquidation preference	$ 345	$ 345
[1]	Derived from the audited consolidated financial statements as of and for the fiscal year ended March 28, 2020.

Condensed Consolidated Statemen

Condensed Consolidated Statements of Operations (Unaudited) - USD ($) shares in Thousands	3 Months Ended		9 Months Ended
	Dec. 26, 2020	Dec. 28, 2019	Dec. 26, 2020	Dec. 28, 2019
Revenue	$ 4,084,000	$ 2,632,000	$ 10,324,000	$ 9,165,000
Cost of sales	2,527,000	1,534,000	6,213,000	5,288,000
Gross profit	1,557,000	1,098,000	4,111,000	3,877,000
Operating expenses:
Engineering	557,000	393,000	1,548,000	1,097,000
Selling, general and administrative	937,000	819,000	2,832,000	2,617,000
Total operating expenses	1,494,000	1,212,000	4,380,000	3,714,000
Operating income (loss)	63,000	(114,000)	(269,000)	163,000
Gain on extinguishment of PPP Loan	791,000		791,000
Interest expense:
Interest expense, net	(21,000)	(42,000)	(85,000)	(166,000)
Interest expense from accretion of loan discount				(19,000)
Total interest expense	(21,000)	(42,000)	(85,000)	(185,000)
Income (loss) before income taxes	833,000	(156,000)	437,000	(22,000)
Provision for income taxes			2,000	2,000
Net income (loss)	833,000	(156,000)	435,000	(24,000)
Deemed dividend on Series E shares	(3,000)	(18,000)	(10,000)	(96,000)
Cumulative dividends on Series E shares		(1,240,000)		(1,240,000)
Net income (loss) attributable to common shareholders	$ 830,000	$ (1,414,000)	$ 425,000	$ (1,360,000)
Income (loss) per common share - basic (in dollars per share)	$ 0.33	$ (0.58)	$ 0.17	$ (0.55)
Income (loss) per common share - diluted (in dollars per share)	$ 0.28	$ (0.58)	$ 0.14	$ (0.55)
Weighted average shares used in per share calculation:
Basic (in shares)	2,549	2,451	2,549	2,451
Diluted (in shares)	2,933	2,451	2,933	2,451
Product [Member]
Revenue	$ 1,559,000	$ 193,000	$ 3,490,000	$ 2,576,000
Service [Member]
Revenue	$ 2,525,000	$ 2,439,000	$ 6,834,000	$ 6,589,000

Consolidated Statements of Shar

Consolidated Statements of Shareholders' Equity (Unaudited) - USD ($) $ in Thousands	Series E Preferred Stock [Member]Preferred Stock Including Additional Paid in Capital [Member]	Series E Preferred Stock [Member]Common Stock Including Additional Paid in Capital [Member]	Series E Preferred Stock [Member]Retained Earnings [Member]	Series E Preferred Stock [Member]	Conversion of Series E Preferred Stock into Common Stock [Member]Preferred Stock Including Additional Paid in Capital [Member]	Conversion of Series E Preferred Stock into Common Stock [Member]Common Stock Including Additional Paid in Capital [Member]	Conversion of Series E Preferred Stock into Common Stock [Member]Retained Earnings [Member]	Conversion of Series E Preferred Stock into Common Stock [Member]	Conversion of Series B Preferred Stock into Common Stock [Member]Preferred Stock Including Additional Paid in Capital [Member]	Conversion of Series B Preferred Stock into Common Stock [Member]Common Stock Including Additional Paid in Capital [Member]	Conversion of Series B Preferred Stock into Common Stock [Member]Retained Earnings [Member]	Conversion of Series B Preferred Stock into Common Stock [Member]	Preferred Stock Including Additional Paid in Capital [Member]	Common Stock Including Additional Paid in Capital [Member]	Retained Earnings [Member]	Total
Balance (in shares) at Mar. 30, 2019													116,934	757,367
Balance at Mar. 30, 2019													$ 4,806	$ 25,557	$ (28,548)	$ 1,815
Net income (loss)															15	15
Share based compensation														$ 95		95
Equity issuance for PFG Loan (in shares)														167
Equity issuance for PFG Loan
Restricted stock forfeited (in shares)														(1,333)
Restricted stock forfeited
Series E preferred stock issuance, reclass of offering costs of $2	$ (2)	$ 2
Balance (in shares) at Jun. 29, 2019													116,934	756,201
Balance at Jun. 29, 2019													$ 4,804	$ 25,654	(28,533)	1,925
Balance (in shares) at Mar. 30, 2019													116,934	757,367
Balance at Mar. 30, 2019													$ 4,806	$ 25,557	(28,548)	1,815
Net income (loss)																(24)
Balance (in shares) at Dec. 28, 2019													26,982	2,476,900
Balance at Dec. 28, 2019													$ 2,922	$ 31,369	(29,908)	4,383
Balance (in shares) at Jun. 29, 2019													116,934	756,201
Balance at Jun. 29, 2019													$ 4,804	$ 25,654	(28,533)	1,925
Net income (loss)															44	44
Share based compensation														$ 67		67
Warrant exercises (in shares)														81,808
Warrant exercises														$ 230		230
Series E dividends (in shares)														33,991
Series E dividends														$ 142		142
Conversion of Stock, Shares Converted (in shares)					(600)	4,000			(752)	5,012
Preferred stock converted to common stock					$ (15)	$ 20	$ (5)		$ (166)	$ 166
Series E dividends														$ 142		142
Balance (in shares) at Sep. 28, 2019													115,582	881,012
Balance at Sep. 28, 2019													$ 4,623	$ 26,279	(28,494)	2,408
Net income (loss)															(156)	(156)
Share based compensation														$ 67		67
Warrant exercises (in shares)
Warrant exercises														$ (18)		(18)
Series E dividends (in shares)														10,636
Series E dividends														$ 47		29
Preferred stock converted to common stock					$ (1,701)	$ 2,941	$ (1,240)
Fractional shares (in shares)														(81)
Series E dividends														$ 47		29
Dividends															(18)
Common stock issuances (in shares)														699,333
Common stock issuances														$ 2,053		2,053
Preferred stock converted to common stock (in shares)					(88,600)	886,000
Balance (in shares) at Dec. 28, 2019													26,982	2,476,900
Balance at Dec. 28, 2019													$ 2,922	$ 31,369	(29,908)	4,383
Balance (in shares) at Mar. 28, 2020													26,982	2,635,856
Balance at Mar. 28, 2020													$ 2,922	$ 31,952	(30,574)	4,300	[1]
Net income (loss)															72	72
Share based compensation														$ 76		76
Balance (in shares) at Jun. 27, 2020													26,982	2,635,856
Balance at Jun. 27, 2020													$ 2,922	$ 32,028	(30,502)	4,448
Balance (in shares) at Mar. 28, 2020													26,982	2,635,856
Balance at Mar. 28, 2020													$ 2,922	$ 31,952	(30,574)	4,300	[1]
Net income (loss)																435
Common stock issuances (in shares)				0
Balance (in shares) at Dec. 26, 2020													26,982	2,635,856
Balance at Dec. 26, 2020													$ 2,922	$ 32,157	(30,149)	4,930
Balance (in shares) at Jun. 27, 2020													26,982	2,635,856
Balance at Jun. 27, 2020													$ 2,922	$ 32,028	(30,502)	4,448
Net income (loss)															(477)	(477)
Share based compensation														$ 66		66
Balance (in shares) at Sep. 26, 2020													26,982	2,635,856
Balance at Sep. 26, 2020													$ 2,922	$ 32,094	(30,979)	4,037
Net income (loss)															830	833
Share based compensation														$ 63		63
Balance (in shares) at Dec. 26, 2020													26,982	2,635,856
Balance at Dec. 26, 2020													$ 2,922	$ 32,157	$ (30,149)	$ 4,930
[1]	Derived from the audited consolidated financial statements as of and for the fiscal year ended March 28, 2020.

Consolidated Statements of Sh_2

Consolidated Statements of Shareholders' Equity (Unaudited) (Parentheticals) $ in Thousands	3 Months Ended
	Jun. 29, 2019USD ($)
Series E Preferred Stock [Member] | Preferred Stock Including Additional Paid in Capital [Member]
Shares issued, issuance cost	$ 2

Condensed Consolidated Statem_2

Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($)	9 Months Ended
	Dec. 26, 2020	Dec. 28, 2019
Cash flows from operating activities:
Net income (loss)	$ 435,000	$ (24,000)
Adjustments to reconcile net income (loss) to net cash used in operating activities:
Depreciation and amortization	116,000	140,000
Share based compensation	205,000	229,000
Gain on extinguishment of PPP Loan	(786,000)
Gain on forgiveness of Interest on PPP Loan	(5,000)
Accretion of discounts and issuance costs on debt		20,000
Accrued interest and fees on loan payable		(224,000)
Change in deferred rent		1,000
Changes in operating assets and liabilities
Trade accounts receivable	720,000	91,000
Inventories	125,000	(852,000)
Prepaid expenses and other assets	(184,000)	(629,000)
Right of use asset	237,000	197,000
Accounts payable	541,000	221,000
Accrued payroll and benefits	215,000	(74,000)
Deferred revenue	(159,000)	218,000
Other current and non-current liabilities	(127,000)	(369,000)
Net cash provided by (used in) operating activities	1,333,000	(1,055,000)
Cash flows from investing activities:
Purchases of property and equipment	(64,000)	(123,000)
Net cash used in investing activities	(64,000)	(123,000)
Cash flows from financing activities:
Principal payments on leases	(317,000)	(282,000)
Proceeds from issuance of common stock, net of issuance costs		2,053,000
Proceeds from exercise of warrants		211,000
Proceeds from borrowings, net of issuance costs	1,941,000	1,051,000
Repayments of borrowings	(2,202,000)	(1,489,000)
Net cash provided by (used in) financing activities	(578,000)	1,544,000
Increase in cash and cash-equivalents	691,000	366,000
Beginning cash and cash-equivalents	657,000	878,000
Ending cash and cash-equivalents	1,348,000	1,244,000
Supplementary disclosure of cash flow information:
Cash paid for income taxes	2,000	57,000
Cash paid for interest	85,000	376,000
Supplementary disclosure of noncash financing activities:
Cumulative effect of adoption of ASC 842 on right of use assets		1,361,000
Cumulative effect of adoption of ASC 842 on deferred rent		429,000
Cumulative effect of adoption of ASC 842 on lease liability		1,790,000
Fair value of dividends in kind	$ 10,000	$ (190,000)

Note 1 - Organization and Signi

Note 1 - Organization and Significant Accounting Policies	9 Months Ended
	Dec. 26, 2020
Notes to Financial Statements
Significant Accounting Policies [Text Block]	( 1 The condensed consolidated financial statements included herein have been prepared by Giga-tronics Incorporated (“Giga-tronics,” “Company” or “we”), pursuant to the rules and regulations of the Securities and Exchange Commission (“SEC”). The consolidated results of operations for the interim periods shown in this report are not 10 March 28, 2020 nine December 26, 2020, no 10 March 28, 2020. On December 12, 2019, one fifteen Principles of Consolidation Use of Estimates Leases In February 2016, 2016 02 Leases 842 not 12 12 842. 842 840 842 March 31, 2019. July 2018, No. 2018 11, 842 842 two 842. 2016 02 March 31, 2019 $1.4 $1.8 no 2016 02 New Accounting Standards In June 2018, 2018 07, first 2020, not In February 2016, 2016 02, 842 2016 02 March 31, 2019 not no Practical E xpedients E lected The Company has elected the package of practical expedients to (a) not not not

Note 2 - Inventories, Net

Note 2 - Inventories, Net	9 Months Ended
	Dec. 26, 2020
Notes to Financial Statements
Inventory Disclosure [Text Block]	( 2 ) Inventories , net Inventories consisted of the following: (In thousands) December 2 6 , 20 20 March 28 , 20 20 Raw materials $ 1,172 $ 890 Work-in-progress 1,651 1,828 Finished goods 179 263 Demonstration inventory 134 280 Total $ 3,136 $ 3,261

Note 3 - Financed Receivables

Note 3 - Financed Receivables	9 Months Ended
	Dec. 26, 2020
Notes to Financial Statements
Debt Disclosure [Text Block]	( 3 ) Financed Receivables On March 11, 2019, May 6, 2015 ( Under the Restated Financing Agreement, Western Alliance Bank may 85% $2.5 $500,000 Under the Restated Financing Agreement, interest accrues on outstanding amounts at an annual rate equal to one 4.5%. $14,700, two no may The Restated Financing Agreement contains customary events of default, including, among others: non-payment of principal, interest or other amounts when due; providing false or misleading representations and information; Western Alliance Bank failing to have an enforceable first 500 may As of December 26, 2020 March 28, 2020, zero $527,468,

Note 4 - Term Loan

Note 4 - Term Loan	9 Months Ended
	Dec. 26, 2020
Notes to Financial Statements
Long-term Debt [Text Block]	( 4 ) Term Loan On April 27, 2017, $1.5 April 28, 2017 ( April 27, 2019. 16% 9.5% 6.5% $100,000 $76,000 April 27, 2017, $24,000 $1,000 first In December 2018, April 27, 2019 November 1, 2019, May 1, 2019 $75,000 May 1, 2019 $500,000 March 30, 2019. On March 11, 2019, March 1, 2020 On June 28, 2019, December 28, 2019, not $11 first three 2020 January 31, 2020. On January 31, 2020, March 1, 2020 March 1, 2021, $75,000 February 1, 2020 $57,700 16%, 9.5% 6.5% $200,000. As of December 26, 2020 March 28, 2020, $273,000 $792,300, At December 26, 2020, not $11 first three 2021 January 2021.

Note 5 - Paycheck Protection Pr

Note 5 - Paycheck Protection Program (the "PPP") Under the Cares Act	9 Months Ended
	Dec. 26, 2020
Notes to Financial Statements
Paycheck Protection Program CARES Act [Text Block]	( 5 ) Paycheck Protection Program (the “PPP”) under the CARES Act On April 23, 2020, $786,200 470 April 23, 2022 1.0% November 1, 2020. As a result of the Company's request for loan forgiveness, on November 19, 2020, The amount of the PPP Loan forgiven by the SBA is accounted as a gain under ASC 470, 405, Liabilities : Extinguishment of Liabilities .

Note 6 - Leases

Note 6 - Leases	9 Months Ended
	Dec. 26, 2020
Notes to Financial Statements
Lessee, Operating Leases [Text Block]	( 6 ) L eases Operating leases The Company has a non-cancelable operating lease for an office, research and development, engineering, laboratory, storage and/or warehouse uses in Dublin, California for a term of 77 April 1, 2017 August 31, 2023. $2,384,913 77 $0.05 $173,079 five $358,095. The Company also has a non-cancelable operating lease for an office it uses for research and development and engineering in Nashua, New Hampshire for 36 March 1, 2020 February 28, 2023. $90,000 36 December 28, 2018 January 31, 2022 February 28, 2023. Per the terms of the Company's lease agreements, the Company does not not not Lease costs For the nine December 26, Classification 2020 Operating lease costs Operating expenses $ 398 Total lease costs $ 398 Other information (in thousands except weighted average amounts): For the nine months ended December 26, 2020 Operating leases Operating cash used for leases $ 440 Financing cash used for leases — Weighted-average remaining lease term (years) 3.21 Weighted-average discount rate 6.50 % Future lease payments as of December 26, 2020 Operating leases Remainder 2021 $ 122 2022 503 2023 514 Thereafter 214 Total future minimum lease payments 1,353 Less: imputed interest (109 ) Present value of lease liabilities $ 1,244

Note 7 - Sale of Common Stock

Note 7 - Sale of Common Stock	9 Months Ended
	Dec. 26, 2020
Notes to Financial Statements
Stockholders' Equity Note Disclosure [Text Block]	( 7 ) Sale of Common Stock On November 8, 2019, 699,333 $3.75 $2.1 20,980 $4.50 five In addition, on November 8, 2019, 896,636 88,600 9,200 $345,000 December 26, 2020 March 28, 2020. On March 11, 2020, two 146,668 $3.75 $550,004. $510,000.

Note 8 - Reverse Stock Split

Note 8 - Reverse Stock Split	9 Months Ended
	Dec. 26, 2020
Notes to Financial Statements
Reverse Stock Split [Text Block]	( 8 ) Reverse Stock Split On December 12, 2019, 1 15 The reverse stock split reduced the number of shares of common stock outstanding from 37,154,730 2,476,982 December 12, 2019. 13,333,333 As a result of the reverse stock split, each of the Company's holders of common stock received one 15 No All share and per share amounts included in the financial statements have been adjusted to reflect the effect of the reverse stock split.

Note 9 - Shareholder Rights Pla

Note 9 - Shareholder Rights Plan	9 Months Ended
	Dec. 26, 2020
Notes to Financial Statements
Shareholder Rights Plan [Text Block]	( 9 ) Shareholder Rights Plan On October 12, 2020, one October 22, 2020. The Rights Agreement provides that in the event any person becomes the beneficial owner of 15% 15% tenth one $15.00 25% 50% 15% The Rights expire on October 22, 2025 ( $0.001 first

Note 10 - Income Per Share

Note 10 - Income Per Share	9 Months Ended
	Dec. 26, 2020
Notes to Financial Statements
Earnings Per Share [Text Block]	( 1 0 ) Income Per Share Basic net income per share (EPS) is calculated by dividing net income by the weighted average common shares outstanding during the period. Diluted EPS reflects the net incremental shares that would be issued if unvested restricted shares became vested and dilutive outstanding stock options were exercised, using the treasury stock method. In the case of a net loss, it is assumed that no Shares included in the diluted EPS calculation for the three nine December 26, 2020 Three Month Period Ended Nine Month Period Ended December 26, December 26, (In thousands except per share data) 2020 2020 Net income attributable to common shareholders $ 830 $ 425 Weighted average basic shares outstanding 2,549 2,549 Effect of dilutive securities 384 384 Weighted-average dilutive shares 2,933 2,933 Basic earnings per share $ 0.33 $ 0.17 Diluted earnings per share $ 0.28 $ 0.14 Shares excluded from the diluted EPS calculation because they would be anti-dilutive are as follows: Three Month Period Ended Nine Month Period Ended (In thousands) December 28, December 28, 2019 2019 Common shares issuable upon exercise of stock options 250 250 Restricted stock awards 10 10 Common shares issuable upon conversion of convertible preferred stock 61 61 Common shares issuable upon exercise of warrants 169 169 The stock options, restricted stock, convertible preferred stocks and warrants are not three nine December 28, 2019

Note 11 - Share-based Compensat

Note 11 - Share-based Compensation and Employee Benefits Plans	9 Months Ended
	Dec. 26, 2020
Notes to Financial Statements
Share-based Payment Arrangement [Text Block]	( 1 1 ) Share-based Compensation and Employee Benefits Plans On September 17, 2020, 2018 250,000 416,667 September 26, 2020, 268,493 2018 No 2005 2000 2005 Outstanding options generally vest over a period determined by the Company's board of directors, and must be exercised while the grantee is employed by the Company (or while providing services under a service arrangement in the case of non-employees) or within a certain period after termination of employment or service arrangement in the case of non-employees. All outstanding options have a ten may December 26, 2020, no Stock Options In calculating compensation related to stock option grants, the fair value of each stock option is estimated on the date of grant using the Black-Scholes-Merton option-pricing model and the following weighted average assumptions: Three Month Periods Ended Nine Month Periods Ended December 2 8 , 20 20 December 29 , 201 9 December 2 8 , 20 20 December 29 , 201 9 Expected volatility — — 168.81 % 101.97 % Risk-free interest rate — — 0.39 % 2.25 % Expected term (years) — — 8.36 8.36 The computation of expected volatility used in the Black-Scholes-Merton option-pricing model is based on the historical volatility of the Company's share price. The expected term is estimated based on a review of historical employee exercise behavior with respect to option grants. The risk-free interest rate is based on the U.S. Treasury rates with maturity similar to the expected term of the option on the date of grant. A summary of the changes in stock options outstanding for the nine December 26, 2020 March 28, 2020 Weighted Average Weighted Average Remaining Aggregate Shares Exercise Price per share Contractual Terms (Years) Intrinsic Value Outstanding at March 30, 2019 182,366 $ 6.15 8.4 $ — Granted 73,880 4.98 9.2 Forfeited / Expired (15,488 ) 5.13 Outstanding at March 28, 2020 240,758 $ 5.86 7.9 $ — Granted 10,000 3.85 9.6 Outstanding at December 26, 2020 250,758 $ 5.78 7.2 $ — Exercisable at December 26, 2020 139,904 $ 6.55 6.4 $ — At December 26, 2020 expected to vest in the future 110,854 $ 4.80 8.2 $ — As of December 26, 2020, $307,000 2.15 12,675 13,240 December 26, 2020 December 28, 2019, December 26, 2020 December 28, 2019 $53,400 $61,000 52,662 47,700 nine December 26, 2020 December 28, 2019, nine December 26, 2020 December 28, 2019 $222,000 $185,000, No three nine December 26, 2020 December 28, 2019. three December 26, 2020 December 28, 2019 $55,000 $56,000, nine December 26, 2020 December 28, 2019 $182,000 $159,000, Restricted Stock The Company granted no third first nine 2021. December 26, 2020, $8,000 0.25 third first nine 2021 $7,900 $23,000, third first nine 2020 $9,600 $70,000, A summary of the changes in non-vested restricted stock awards outstanding for the nine December 26, 2020 March 28, 2020 Shares Weighted Average Fair Value per share Non-Vested at March 30, 2019 22,343 $ 8.40 Granted 10,000 3.97 Vested (21,009 ) 8.25 Forfeited or cancelled (1,334 ) 12.00 Non-Vested at March 28, 2020 10,000 $ 3.97 Non-Vested at December 26, 2020 10,000 $ 3.97

Note 12 - Significant Customer

Note 12 - Significant Customer and Industry Segment Information	9 Months Ended
	Dec. 26, 2020
Notes to Financial Statements
Segment Reporting Disclosure [Text Block]	( 1 2 ) Significant Customer and Industry Segment Information Microsource's primary business is the design of custom microwave products and the production of microwave components using chip and wire assembly methods. Microsource offers a line of tunable, synthesized Band Reject Filters for solving interference problems in RADAR/EW applications. Electronic attack systems onboard high-performance fighter jets often require RADAR filters to block electromagnetic interference generated by other onboard electronic systems, particularly the aircraft's main RADAR. Our high-speed, tunable notch filters can quickly block interference from both continuous wave and wide bandwidth emissions. Using proprietary driver and phase lock technology, our filters offer tuning speeds that are up to ten Our Giga-tronics Division designs, manufactures, and markets a family of functional test systems for the RADAR and Electronic Warfare (RADAR/EW) segment of the defense electronics market. Our RADAR/EW test systems are used to evaluate and improve the performance of RADAR systems and EW counter measures, such as jammers. Giga-tronics Division customers include major defense prime contractors, the armed services (primarily in the United States) and research institutes. Currently, 100% The tables below present information for the two Three Month Period Ended Three Month Period Ended (In thousands) Dec. 2 6 , 20 20 Dec. 2 6 , 20 20 Dec . 2 8 , 201 9 Dec. 2 8 , 201 9 Assets Net Sales Net Income (Loss) Assets Net Sales Net Income (Loss) Giga-tronics Division $ 6,229 $ 1,559 $ (161 ) $ 6,231 $ 176 $ (1,058 ) Microsource 2,438 2,525 994 2,952 2,456 902 Total $ 8,667 $ 4,084 $ 833 $ 9,183 $ 2,632 $ (156 ) Nine Month Period Ended Nine Month Period Ended (In thousands) Dec. 2 6 , 20 20 Dec. 2 6 , 20 20 Dec. 2 8 , 201 9 Dec. 2 8 , 2 01 9 Assets Net Sales Net Income (Loss) Assets Net Sales Net Income (Loss) Giga-tronics Division $ 6,229 $ 3,490 $ (2,121 ) $ 6,231 $ 2,465 $ (2,511 ) Microsource 2,438 6,834 2,556 2,952 6,700 2,487 Total $ 8,667 $ 10,324 $ 435 $ 9,183 $ 9,165 $ (24 ) During the third 2021, three 95% 54% second 25% third 16% third 2020, two 77% 45% second 32% During the first nine 2021, three 89% 55% second third 34% first nine 2020, three 89% 45% second third 44%

Note 13 - Income Taxes

Note 13 - Income Taxes	9 Months Ended
	Dec. 26, 2020
Notes to Financial Statements
Income Tax Disclosure [Text Block]	( 1 3 ) Income Taxes The Company accounts for income taxes using the asset and liability method as codified in Topic 740. The Company recorded $2,000 nine December 26, 2020 December 28, 2019. nine December 26, 2020 December 28, 2019 0% As of December 26, 2020, $132,000 not 12

Note 14 - Warranty Obligations

Note 14 - Warranty Obligations	9 Months Ended
	Dec. 26, 2020
Notes to Financial Statements
Product Warranty Disclosure [Text Block]	( 1 4 ) Warranty Obligations The Company records a provision in cost of sales for estimated warranty obligations at the date products are sold. Adjustments are made as new information becomes available. The following provides a reconciliation of changes in the Company's warranty reserve. The Company provides no Three Month Periods Ended Nine Month Periods Ended (In thousands) December 2 6 , 20 20 December 2 8 , 20 19 December 2 6 , 20 20 December 2 8 , 201 9 Balance at beginning of period $ 44 $ 92 $ 34 $ 103 Provision, net 6 (36 ) 16 (41 ) Warranty costs incurred — (5 ) — (11 ) Balance at end of period $ 50 $ 51 $ 50 $ 51

Note 15 - Preferred Stock and W

Note 15 - Preferred Stock and Warrants	9 Months Ended
	Dec. 26, 2020
Notes to Financial Statements
Preferred Stock [Text Block]	( 1 5 ) Preferred Stock and Warrants Series E Senior Convertible Voting Perpetual Preferred Stock On March 26, 2018, 42,800 6.0% 15 March 28, 2018. Each Series E share is convertible into 6.67 6.0% $25.00 10 The purchase price for each Series E Share was $25.00. $1.095 $1.0 5% $57,000 5% 14,867 $3.75 During the 2019 57,200 $25.00 $1,405,000. 2019 $1.2 $212,000. 5% $56,875 5% 6.67 $3.75 For the nine December 26, 2020, no Series E Exchange The Company completed a private exchange offer on November 7, 2019, 896,636 88,600 3 9 1933, may Preferred Stock The table below presents information about the Company's preferred stock as of December 26, 2020 March 28, 2020: Shares Shares Shares Liquidation Preference Designated Issued Outstanding (in thousands) Series B 10,000.00 9,997.00 9,245.13 $ 2,136 Series C 3,500.00 3,424.65 3,424.65 500 Series D 6,000.00 5,111.86 5,111.86 731 Series E 100,000.00 100,000.00 9,200.00 345 Total at Dec ember 26, 2020 and March 28, 2020 119,500.00 118,533.51 26,981.64 $ 3,712

Note 16 - COVID-19 (Coronavirus

Note 16 - COVID-19 (Coronavirus)	9 Months Ended
	Dec. 26, 2020
Notes to Financial Statements
Unusual or Infrequent Items, or Both, Disclosure [Text Block]	( 1 6 ) COVID- 19 On January 30, 2020, 19” March 2020 March 2020, 19 19 March 2020, The COVID- 19 19 not 19

Note 17 - Subsequent Events

Note 17 - Subsequent Events	9 Months Ended
	Dec. 26, 2020
Notes to Financial Statements
Subsequent Events [Text Block]	( 1 7 ) Subsequent Events None.

Significant Accounting Policies

Significant Accounting Policies (Policies)	9 Months Ended
	Dec. 26, 2020
Accounting Policies [Abstract]
Consolidation, Policy [Policy Text Block]	Principles of Consolidation
Use of Estimates, Policy [Policy Text Block]	Use of Estimates
Lessee, Leases [Policy Text Block]	Leases In February 2016, 2016 02 Leases 842 not 12 12 842. 842 840 842 March 31, 2019. July 2018, No. 2018 11, 842 842 two 842. 2016 02 March 31, 2019 $1.4 $1.8 no 2016 02
New Accounting Pronouncements, Policy [Policy Text Block]	New Accounting Standards In June 2018, 2018 07, first 2020, not In February 2016, 2016 02, 842 2016 02 March 31, 2019 not no
Revenue from Contract with Customer [Policy Text Block]	Practical E xpedients E lected The Company has elected the package of practical expedients to (a) not not not

Note 2 - Inventories, Net (Tabl

Note 2 - Inventories, Net (Tables)	9 Months Ended
	Dec. 26, 2020
Notes Tables
Schedule of Inventory, Current [Table Text Block]	(In thousands) December 2 6 , 20 20 March 28 , 20 20 Raw materials $ 1,172 $ 890 Work-in-progress 1,651 1,828 Finished goods 179 263 Demonstration inventory 134 280 Total $ 3,136 $ 3,261

Note 6 - Leases (Tables)

Note 6 - Leases (Tables)	9 Months Ended
	Dec. 26, 2020
Notes Tables
Lease, Cost [Table Text Block]	December 26, Classification 2020 Operating lease costs Operating expenses $ 398 Total lease costs $ 398
Leases, Other Information [Table Text Block]	For the nine months ended December 26, 2020 Operating leases Operating cash used for leases $ 440 Financing cash used for leases — Weighted-average remaining lease term (years) 3.21 Weighted-average discount rate 6.50 %
Finance and Operating Leases, Liability, Maturity [Table Text Block]	Operating leases Remainder 2021 $ 122 2022 503 2023 514 Thereafter 214 Total future minimum lease payments 1,353 Less: imputed interest (109 ) Present value of lease liabilities $ 1,244

Note 10 - Income Per Share (Tab

Note 10 - Income Per Share (Tables)	9 Months Ended
	Dec. 26, 2020
Notes Tables
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]	Three Month Period Ended Nine Month Period Ended December 26, December 26, (In thousands except per share data) 2020 2020 Net income attributable to common shareholders $ 830 $ 425 Weighted average basic shares outstanding 2,549 2,549 Effect of dilutive securities 384 384 Weighted-average dilutive shares 2,933 2,933 Basic earnings per share $ 0.33 $ 0.17 Diluted earnings per share $ 0.28 $ 0.14 Three Month Period Ended Nine Month Period Ended (In thousands) December 28, December 28, 2019 2019 Common shares issuable upon exercise of stock options 250 250 Restricted stock awards 10 10 Common shares issuable upon conversion of convertible preferred stock 61 61 Common shares issuable upon exercise of warrants 169 169

Note 11 - Share-based Compens_2

Note 11 - Share-based Compensation and Employee Benefits Plans (Tables)	9 Months Ended
	Dec. 26, 2020
Notes Tables
Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions [Table Text Block]	Three Month Periods Ended Nine Month Periods Ended December 2 8 , 20 20 December 29 , 201 9 December 2 8 , 20 20 December 29 , 201 9 Expected volatility — — 168.81 % 101.97 % Risk-free interest rate — — 0.39 % 2.25 % Expected term (years) — — 8.36 8.36
Share-based Payment Arrangement, Option, Activity [Table Text Block]	Weighted Average Weighted Average Remaining Aggregate Shares Exercise Price per share Contractual Terms (Years) Intrinsic Value Outstanding at March 30, 2019 182,366 $ 6.15 8.4 $ — Granted 73,880 4.98 9.2 Forfeited / Expired (15,488 ) 5.13 Outstanding at March 28, 2020 240,758 $ 5.86 7.9 $ — Granted 10,000 3.85 9.6 Outstanding at December 26, 2020 250,758 $ 5.78 7.2 $ — Exercisable at December 26, 2020 139,904 $ 6.55 6.4 $ — At December 26, 2020 expected to vest in the future 110,854 $ 4.80 8.2 $ —
Share-based Payment Arrangement, Restricted Stock Unit, Activity [Table Text Block]	Shares Weighted Average Fair Value per share Non-Vested at March 30, 2019 22,343 $ 8.40 Granted 10,000 3.97 Vested (21,009 ) 8.25 Forfeited or cancelled (1,334 ) 12.00 Non-Vested at March 28, 2020 10,000 $ 3.97 Non-Vested at December 26, 2020 10,000 $ 3.97

Note 12 - Significant Custome_2

Note 12 - Significant Customer and Industry Segment Information (Tables)	9 Months Ended
	Dec. 26, 2020
Notes Tables
Schedule of Segment Reporting Information, by Segment [Table Text Block]	Three Month Period Ended Three Month Period Ended (In thousands) Dec. 2 6 , 20 20 Dec. 2 6 , 20 20 Dec . 2 8 , 201 9 Dec. 2 8 , 201 9 Assets Net Sales Net Income (Loss) Assets Net Sales Net Income (Loss) Giga-tronics Division $ 6,229 $ 1,559 $ (161 ) $ 6,231 $ 176 $ (1,058 ) Microsource 2,438 2,525 994 2,952 2,456 902 Total $ 8,667 $ 4,084 $ 833 $ 9,183 $ 2,632 $ (156 ) Nine Month Period Ended Nine Month Period Ended (In thousands) Dec. 2 6 , 20 20 Dec. 2 6 , 20 20 Dec. 2 8 , 201 9 Dec. 2 8 , 2 01 9 Assets Net Sales Net Income (Loss) Assets Net Sales Net Income (Loss) Giga-tronics Division $ 6,229 $ 3,490 $ (2,121 ) $ 6,231 $ 2,465 $ (2,511 ) Microsource 2,438 6,834 2,556 2,952 6,700 2,487 Total $ 8,667 $ 10,324 $ 435 $ 9,183 $ 9,165 $ (24 )

Note 14 - Warranty Obligations

Note 14 - Warranty Obligations (Tables)	9 Months Ended
	Dec. 26, 2020
Notes Tables
Schedule of Product Warranty Liability [Table Text Block]	Three Month Periods Ended Nine Month Periods Ended (In thousands) December 2 6 , 20 20 December 2 8 , 20 19 December 2 6 , 20 20 December 2 8 , 201 9 Balance at beginning of period $ 44 $ 92 $ 34 $ 103 Provision, net 6 (36 ) 16 (41 ) Warranty costs incurred — (5 ) — (11 ) Balance at end of period $ 50 $ 51 $ 50 $ 51

Note 15 - Preferred Stock and_2

Note 15 - Preferred Stock and Warrants (Tables)	9 Months Ended
	Dec. 26, 2020
Notes Tables
Schedule of Stock by Class [Table Text Block]	Shares Shares Shares Liquidation Preference Designated Issued Outstanding (in thousands) Series B 10,000.00 9,997.00 9,245.13 $ 2,136 Series C 3,500.00 3,424.65 3,424.65 500 Series D 6,000.00 5,111.86 5,111.86 731 Series E 100,000.00 100,000.00 9,200.00 345 Total at Dec ember 26, 2020 and March 28, 2020 119,500.00 118,533.51 26,981.64 $ 3,712

Note 1 - Organization and Sig_2

Note 1 - Organization and Significant Accounting Policies (Details Textual) $ in Thousands	Dec. 12, 2019	Dec. 26, 2020USD ($)	Mar. 28, 2020USD ($)	[1]	Dec. 28, 2019	Mar. 31, 2019USD ($)
Number of Leases					2
Operating Lease, Right-of-Use Asset		$ 946	$ 1,183
Operating Lease, Liability, Total		$ 1,244
Accounting Standards Update 2016-02 [Member]
Operating Lease, Right-of-Use Asset						$ 1,400
Operating Lease, Liability, Total						$ 1,800
Reverse Stock Split [Member]
Stockholders' Equity Note, Stock Split, Conversion Ratio	15
[1]	Derived from the audited consolidated financial statements as of and for the fiscal year ended March 28, 2020.

Note 2 - Inventories, Net - Inv

Note 2 - Inventories, Net - Inventories, Net of Reserves (Details) - USD ($) $ in Thousands	Dec. 26, 2020	Mar. 28, 2020
Raw materials	$ 1,172	$ 890
Work-in-progress	1,651	1,828
Finished goods	179	263
Demonstration inventory	134	280
Total	$ 3,136	$ 3,261	[1]
[1]	Derived from the audited consolidated financial statements as of and for the fiscal year ended March 28, 2020.

Note 3 - Financed Receivables (

Note 3 - Financed Receivables (Details Textual) - Restated Financing Agreement [Member] - USD ($)	Mar. 11, 2019	Dec. 26, 2020	Mar. 28, 2020
Advance Rate, Percent of Invoices Issued	85.00%
Line of Credit Facility, Maximum Borrowing Capacity	$ 2,500,000
Debt Instrument, Basis Spread on Variable Rate	1.00%
Debt Instrument, Interest Rate, Stated Percentage	4.50%
Debt Instrument, Fee Amount	$ 14,700
Debt Instrument, Basis Spread in Case of Default	5.00%
Long-term Line of Credit, Total		$ 0	$ 527,468
Non-Formula Basis Sub-Limit [Member]
Line of Credit Facility, Maximum Borrowing Capacity	$ 500,000

Note 4 - Term Loan (Details Tex

Note 4 - Term Loan (Details Textual) - PFG Loan [Member] - USD ($)	Feb. 01, 2020	Jan. 31, 2020	Dec. 29, 2018	Mar. 01, 2021	Dec. 26, 2020	Mar. 28, 2020	Dec. 28, 2019	Apr. 27, 2017
Debt Instrument, Face Amount								$ 1,500,000
Debt Instrument, Interest Rate, Stated Percentage		16.00%						16.00%
Debt Instrument, Cash Interest Rate		9.50%						9.50%
Debt Instrument, Deferred Interest Rate		6.50%						6.50%
Debt Instrument, Maximum Fee Amount to be Paid upon Maturity								$ 100,000
Debt Instrument, Fee Amount								76,000
Debt Instrument, Remaining Fee Amount								24,000
Debt Instrument, Remaining Fee Amount, Per Month								$ 1,000
Debt Instrument, Periodic Payment, Principal		$ 57,700	$ 75,000
Debt Instrument, Required Additional Capital To Extend Maturity			$ 500,000
Debt Instrument, Covenant Compliance, Minimum Cumulative Revenue					$ 11,000,000		$ 11,000,000
Repayments of Long-term Debt, Total	$ 75,000
Long-term Debt, Total					$ 273,000	$ 792,300
Maximum [Member] | Forecast [Member]
Long-term Debt, Total				$ 200,000

Note 5 - Paycheck Protection _2

Note 5 - Paycheck Protection Program (the "PPP") Under the Cares Act (Details Textual) - USD ($)	Apr. 23, 2020	Dec. 26, 2020	Dec. 28, 2019
Proceeds from Issuance of Long-term Debt, Total		$ 1,941,000	$ 1,051,000
Paycheck Protection Program CARES Act [Member]
Proceeds from Issuance of Long-term Debt, Total	$ 786,200

Note 6 - Leases (Details Textua

Note 6 - Leases (Details Textual)	Apr. 01, 2017USD ($)	Dec. 26, 2020USD ($)	Mar. 01, 2020USD ($)
Lessee, Operating Lease, Liability, Payments, Due, Total		$ 1,353,000
Dublin, CA [Member]
Lessee, Operating Lease, Term of Contract (Month)	6 years 150 days
Lessee, Operating Lease, Liability, Payments, Due, Total	$ 2,384,913
Lessee, Operating Lease, Annual Increase Per Rentable Square Foot	0.05
Lease Abatement Subject to Conditions	$ 173,079
Lease Abatement Subject To Conditions, Term (Month)	150 days
Operating Lease, Tenant Improvements Provided by Landlord	$ 358,095
Nashua NH [Member]
Lessee, Operating Lease, Term of Contract (Month)			3 years
Lessee, Operating Lease, Liability, Payments, Due, Total			$ 90,000

Note 6 - Leases - Lease Costs (

Note 6 - Leases - Lease Costs (Details) $ in Thousands	9 Months Ended
	Dec. 26, 2020USD ($)
Operating lease costs	$ 398
Total lease costs	$ 398

Note 6 - Leases - Other Informa

Note 6 - Leases - Other Information (Details) $ in Thousands	9 Months Ended
	Dec. 26, 2020USD ($)
Operating cash used for leases	$ 440
Weighted-average remaining lease term, operating leases (Year)	3 years 76 days
Weighted average discount rate, operating leases	6.50%

Note 6 - Leases - Future Lease

Note 6 - Leases - Future Lease Payments (Details) $ in Thousands	Dec. 26, 2020USD ($)
Operating leases, Remainder 2021	$ 122
Operating leases, 2022	503
Operating leases, 2023	514
Operating leases,Thereafter	214
Total future minimum lease payments, operating leases	1,353
Less: imputed interest, operating leases	(109)
Operating leases, present value of lease liabilities	$ 1,244

Note 7 - Sale of Common Stock (

Note 7 - Sale of Common Stock (Details Textual) - USD ($)	Mar. 11, 2020	Nov. 08, 2019	Nov. 07, 2019	Mar. 28, 2018	Dec. 28, 2019	Dec. 26, 2020	Dec. 28, 2019	Mar. 30, 2019	Mar. 28, 2020	[1]
Stock Issued During Period, Shares, New Issues (in shares)	146,668	699,333
Shares Issued, Price Per Share (in dollars per share)	$ 3.75	$ 3.75
Proceeds from Issuance of Common Stock	$ 510,000	$ 2,100,000					$ 2,053,000
Stock Issued During Period, Value, New Issues	$ 550,004				$ 2,053,000
Series E Preferred Stock [Member]
Stock Issued During Period, Shares, New Issues (in shares)				42,800		0		57,200
Shares Issued, Price Per Share (in dollars per share)				$ 25				$ 25
Preferred Stock, Shares Outstanding, Ending Balance (in shares)						9,200			9,200
Preferred Stock, Liquidation Preference, Value						$ 345,000			$ 345,000
Conversion of Series E Preferred Stock into Common Stock [Member]
Conversion of Stock, Shares Issued (in shares)		896,636	896,636
Conversion of Stock, Shares Converted (in shares)		88,600	88,600
Underwriter Warrants [Member]
Class of Warrant or Right, Number of Securities Called by Warrants or Rights (in shares)		20,980
Class of Warrant or Right, Exercise Price of Warrants or Rights (in dollars per share)		$ 4.50
Warrants and Rights Outstanding, Term (Year)		5 years
[1]	Derived from the audited consolidated financial statements as of and for the fiscal year ended March 28, 2020.

Note 8 - Reverse Stock Split (D

Note 8 - Reverse Stock Split (Details Textual)	Dec. 12, 2019shares	Dec. 26, 2020shares	Mar. 28, 2020shares	[1]	Dec. 11, 2019shares
Common Stock, Shares, Outstanding, Ending Balance (in shares)	2,476,982	2,635,856	2,635,856
Common Stock, Shares Authorized (in shares)	13,333,333	13,333,333	13,333,333
Before Stock Split [Member]
Common Stock, Shares, Outstanding, Ending Balance (in shares)					37,154,730
Reverse Stock Split [Member]
Stockholders' Equity Note, Stock Split, Conversion Ratio	15
[1]	Derived from the audited consolidated financial statements as of and for the fiscal year ended March 28, 2020.

Note 9 - Shareholder Rights P_2

Note 9 - Shareholder Rights Plan (Details Textual)	Oct. 12, 2020$ / shares
Shareholder Rights Plan, Trigger, Beneficial Owner of Outstanding Common Shares, Percentage	15.00%
Shareholder Rights Plan, Exercise Price (in dollars per share)	$ 15
Shareholder Rights Plan, Exercise Input, Percentage of Fair Value of Common Stock	25.00%
Shareholder Rights Plan, Trigger, Assets or Earning Power Sold, Percentage	50.00%
Shareholder Rights Plan, Redemption Price (in dollars per share)	$ 0.001

Note 10 - Income (loss) Per Sha

Note 10 - Income (loss) Per Share - Shares Included in Diluted EPS Calculation (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Dec. 26, 2020	Dec. 28, 2019	Dec. 26, 2020	Dec. 28, 2019
Net income attributable to common shareholders	$ 830	$ (1,414)	$ 425	$ (1,360)
Weighted average basic shares outstanding (in shares)	2,549	2,451	2,549	2,451
Effect of dilutive securities (in shares)	384		384
Weighted-average dilutive shares (in shares)	2,933	2,451	2,933	2,451
Basic earnings per share (in dollars per share)	$ 0.33	$ (0.58)	$ 0.17	$ (0.55)
Diluted earnings per share (in dollars per share)	$ 0.28	$ (0.58)	$ 0.14	$ (0.55)
Share-based Payment Arrangement, Option [Member]
Anti-dilutive securities (in shares)	250		250
Restricted Stock [Member]
Anti-dilutive securities (in shares)	10		10
Convertible Debt Securities [Member]
Anti-dilutive securities (in shares)	61		61
Warrant [Member]
Anti-dilutive securities (in shares)	169		169

Note 11 - Share-based Compens_3

Note 11 - Share-based Compensation and Employee Benefits Plans (Details Textual) - USD ($)	Sep. 17, 2020	Sep. 20, 2018	Dec. 26, 2020	Dec. 28, 2019	Dec. 26, 2020	Dec. 28, 2019	Sep. 26, 2020
Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition (Year)					2 years 54 days
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested, Number of Shares (in shares)			12,675	13,240	52,662	47,700
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested in Period, Fair Value			$ 53,400	$ 61,000	$ 222,000	$ 185,000
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period (in shares)			0	0	0	0
Share-based Payment Arrangement, Option [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period (in shares)					0
Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount, Total			$ 307,000		$ 307,000
Share-based Payment Arrangement, Expense			$ 55,000	$ 56,000	$ 182,000	$ 159,000
Restricted Stock [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period (in shares)			0		0	10,000
Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount, Total			$ 8,000		$ 8,000
Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition (Year)					91 days
Share-based Payment Arrangement, Expense			$ 7,900	$ 9,600	$ 23,000	$ 70,000
The 2018 Equity Incentive Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Number of Additional Shares Authorized (in shares)	250,000
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized (in shares)	416,667						268,493
The 2018 Equity Incentive Plan [Member] | Share-based Payment Arrangement, Option [Member] | Maximum [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period (Year)		10 years
Equity Incentive Plan 2005 [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant (in shares)			0		0

Note 11 - Shared-based Compensa

Note 11 - Shared-based Compensation and Employee Benefits Plans - Weighted Average Assumptions (Details)	3 Months Ended		9 Months Ended
	Dec. 26, 2020	Dec. 28, 2019	Dec. 26, 2020	Dec. 28, 2019
Expected volatility			168.81%	101.97%
Risk-free interest rate			0.39%	2.25%
Expected term (Year)			8 years 131 days	8 years 131 days

Note 11 - Shared-based Compen_2

Note 11 - Shared-based Compensation and Employee Benefits Plans - Changes in Stock Options Outstanding (Details) - USD ($)	9 Months Ended	12 Months Ended
	Dec. 26, 2020	Mar. 28, 2020	Mar. 30, 2019
Outstanding, Shares (in shares)	240,758	182,366
Outstanding, weighted average exercise price (in dollars per share)	$ 5.86	$ 6.15
Outstanding, Weighted average remaining contractual terms (Year)	7 years 73 days	7 years 328 days	8 years 146 days
Outstanding
Granted, Shares (in shares)	10,000	73,880
Granted, weighted average exercise price (in dollars per share)	$ 3.85	$ 4.98
Granted, Weighted average remaining contractual terms (Year)	9 years 219 days	9 years 73 days
Forfeited / Expired, Shares (in shares)		(15,488)
Forfeited / Expired, weighted average exercise price (in dollars per share)		$ 5.13
Outstanding, Shares (in shares)	250,758	240,758	182,366
Outstanding, weighted average exercise price (in dollars per share)	$ 5.78	$ 5.86	$ 6.15
Exercisable, shares (in shares)	139,904
Exercisable, weighted average exercise price (in dollars per share)	$ 6.55
Exercisable, Weighted average remaining contractual terms (Year)	6 years 146 days
Exercisable
Expected to vest in the future, shares (in shares)	110,854
Expected to vest in the future, weighted average exercise price (in dollars per share)	$ 4.80
Expected to vest in the future, Weighted average remaining contractual terms (Year)	8 years 73 days
Expected to vest in the future

Note 11 - Shared-based Compen_3

Note 11 - Shared-based Compensation and Employee Benefits Plans - Changes in Nonvested Restricted Stock Awards Outstanding (Details) - Restricted Stock [Member] - $ / shares	3 Months Ended	9 Months Ended
	Dec. 26, 2020	Dec. 26, 2020	Dec. 28, 2019
Non-Vested, Shares (in shares)			22,343
Non-vested, Weighted average fair value (in dollars per share)			$ 8.40
Granted, Shares (in shares)	0	0	10,000
Granted, Weighted average fair value (in dollars per share)			$ 3.97
Vested, Shares (in shares)			(21,009)
Vested, Weighted average fair value (in dollars per share)			$ 8.25
Forfeited or cancelled, shares (in shares)			(1,334)
Forfeited or cancelled, Weighted average fair value (in dollars per share)			$ 12
Non-Vested, Shares (in shares)	10,000	10,000	10,000
Non-vested, Weighted average fair value (in dollars per share)	$ 3.97	$ 3.97	$ 3.97

Note 12 - Significant Custome_3

Note 12 - Significant Customer and Industry Segment Information (Details Textual)	3 Months Ended		9 Months Ended
	Dec. 26, 2020	Dec. 28, 2019	Dec. 26, 2020	Dec. 28, 2019
Revenue Benchmark [Member] | Customer Concentration Risk [Member]
Number of Major Customers	3	2	3	3
Concentration Risk, Percentage	95.00%	77.00%	89.00%	89.00%
Gigatronics Division [Member]
Percentage of Recorded Operating Expenses			100.00%
Microsource [Member] | Revenue Benchmark [Member] | Customer Concentration Risk [Member] | Customer One dd[Member]
Concentration Risk, Percentage	54.00%
Microsource [Member] | Revenue Benchmark [Member] | Customer Concentration Risk [Member] | Customer Two [Member]
Concentration Risk, Percentage	25.00%	32.00%
Microsource [Member] | Revenue Benchmark [Member] | Customer Concentration Risk [Member] | Customer Three [Member]
Concentration Risk, Percentage	16.00%
Microsource [Member] | Revenue Benchmark [Member] | Customer Concentration Risk [Member] | Customer One [Member]
Concentration Risk, Percentage		45.00%	55.00%	45.00%
Microsource segment and the Giga-tronics Division [Member] | Revenue Benchmark [Member] | Customer Concentration Risk [Member] | Customer Two and Three [Member]
Concentration Risk, Percentage			34.00%	44.00%

Note 12 - Significant Custome_4

Note 12 - Significant Customer and Industry Segment Information - Breakdown of Customer and Segment Information (Details) - USD ($) $ in Thousands	3 Months Ended						9 Months Ended
	Dec. 26, 2020	Sep. 26, 2020	Jun. 27, 2020	Dec. 28, 2019	Sep. 28, 2019	Jun. 29, 2019	Dec. 26, 2020	Dec. 28, 2019	Mar. 28, 2020	[1]
Assets	$ 8,667			$ 9,183			$ 8,667	$ 9,183	$ 8,926
Sales Revenue	4,084			2,632			10,324	9,165
Net income (loss)	833	$ (477)	$ 72	(156)	$ 44	$ 15	435	(24)
Gigatronics Division [Member]
Assets	6,229			6,231			6,229	6,231
Sales Revenue	1,559			176			3,490	2,465
Net income (loss)	(161)			(1,058)			(2,121)	(2,511)
Microsource [Member]
Assets	2,438			2,952			2,438	2,952
Sales Revenue	2,525			2,456			6,834	6,700
Net income (loss)	$ 994			$ 902			$ 2,556	$ 2,487
[1]	Derived from the audited consolidated financial statements as of and for the fiscal year ended March 28, 2020.

Note 13 - Income Taxes (Details

Note 13 - Income Taxes (Details Textual) - USD ($) xbrli-pure in Thousands	3 Months Ended		9 Months Ended
	Dec. 26, 2020	Dec. 28, 2019	Dec. 26, 2020	Dec. 28, 2019
Income Tax Expense (Benefit), Total			$ 2,000	$ 2,000
Effective Income Tax Rate Reconciliation, Percent, Total			0.00%	0.00%
Unrecognized Tax Benefits, Ending Balance	132,000		$ 132,000
Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued, Total	$ 0		$ 0

Note 14 - Warranty Obligation_2

Note 14 - Warranty Obligations - Reconciliation of Company's Warranty Reserve (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Dec. 26, 2020	Dec. 28, 2019	Dec. 26, 2020	Dec. 28, 2019
Balance at beginning of period	$ 44	$ 92	$ 34	$ 103
Provision, net	6	(36)	16	(41)
Warranty costs incurred		(5)		(11)
Balance at end of period	$ 50	$ 51	$ 50	$ 51

Note 15 - Preferred Stock and_3

Note 15 - Preferred Stock and Warrants (Details Textual)	Mar. 11, 2020$ / sharesshares	Nov. 08, 2019$ / sharesshares	Nov. 07, 2019shares	Mar. 28, 2018USD ($)$ / sharesshares	Dec. 26, 2020shares	Mar. 30, 2019USD ($)$ / sharesshares
Stock Issued During Period, Shares, New Issues (in shares)	146,668	699,333
Shares Issued, Price Per Share (in dollars per share) | $ / shares	$ 3.75	$ 3.75
Conversion of Series E Preferred Stock into Common Stock [Member]
Conversion of Stock, Shares Issued (in shares)		896,636	896,636
Conversion of Stock, Shares Converted (in shares)		88,600	88,600
Series E Preferred Stock Warrants [Member]
Class of Warrant or Right, Number of Securities Called by Warrants or Rights, Percentage of Common Shares Into Which the Preferred Shares Can Be Converted				5.00%		5.00%
Class of Warrant or Right, Number of Securities Called by Warrants or Rights (in shares)				14,867		6.67
Class of Warrant or Right, Exercise Price of Warrants or Rights (in dollars per share) | $ / shares				$ 3.75		$ 3.75
Series E Preferred Stock [Member]
Stock Issued During Period, Shares, New Issues (in shares)				42,800	0	57,200
Preferred Stock, Dividend Rate, Percentage				6.00%
Issuance of Stock, Number of Investors				15
Convertible Preferred Stock, Shares Issued upon Conversion (in shares)				6.67
Shares Issued, Price Per Share (in dollars per share) | $ / shares				$ 25		$ 25
Proceeds from Issuance of Preferred Stock and Preference Stock | $				$ 1,095,000		$ 1,405,000
Proceeds from Issuance of Preferred Stock and Preference Stock, Net of Issuance Costs | $				$ 1,000,000		$ 1,200,000
Stock Issued During Period, Placement Agent Fees, Percentage of Gross Proceeds				5.00%		5.00%
Payments of Stock Issuance Costs | $						$ 212,000
Series E Preferred Stock [Member] | Placement Agent [Member]
Payments of Stock Issuance Costs | $				$ 57,000		$ 56,875

Note 15 - Preferred Stock and_4

Note 15 - Preferred Stock and Warrants - Preferred Stock Information (Details) - USD ($) $ in Thousands	Dec. 26, 2020	Mar. 28, 2020	[1]
Designated shares (in shares)	1,000,000	1,000,000
Series B Preferred Stock [Member]
Designated shares (in shares)	10,000
Shares issued (in shares)	9,997
Preferred Stock, Shares Outstanding, Ending Balance (in shares)	9,245.13
Preferred Stock, Liquidation Preference, Value	$ 2,136
Series C Preferred Stock [Member]
Designated shares (in shares)	3,500
Shares issued (in shares)	3,424.65
Preferred Stock, Shares Outstanding, Ending Balance (in shares)	3,424.65
Preferred Stock, Liquidation Preference, Value	$ 500
Series D Preferred Stock [Member]
Designated shares (in shares)	6,000
Shares issued (in shares)	5,111.86
Preferred Stock, Shares Outstanding, Ending Balance (in shares)	5,111.86
Preferred Stock, Liquidation Preference, Value	$ 731
Series E Preferred Stock [Member]
Designated shares (in shares)	100,000	100,000
Shares issued (in shares)	100,000
Preferred Stock, Shares Outstanding, Ending Balance (in shares)	9,200	9,200
Preferred Stock, Liquidation Preference, Value	$ 345	$ 345
Series B, C, D, and E Preferred Stock [Member]
Designated shares (in shares)	119,500
Shares issued (in shares)	118,533.51
Preferred Stock, Shares Outstanding, Ending Balance (in shares)	26,981.64
Preferred Stock, Liquidation Preference, Value	$ 3,712
[1]	Derived from the audited consolidated financial statements as of and for the fiscal year ended March 28, 2020.