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

Carrying value as of the balance sheet date of liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Carrying value as of the balance sheet date of obligations incurred and payable, pertaining to costs that are statutory in nature, are incurred on contractual obligations, or accumulate over time and for which invoices have not yet been received or will not be rendered. Examples include taxes, interest, rent and utilities. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).