Balance Sheets - USD ($)	Dec. 31, 2021	Dec. 31, 2020
CURRENT ASSETS:
Cash and cash equivalents	$ 10,185,468	$ 6,949,937
Short-term investments		996,495
Trade accounts receivable, net	2,694,229	1,796,801
Inventory	3,089,974	2,092,514
Prepaid expenses and other current assets	295,197	321,261
Total current assets	16,264,868	12,157,008
PROPERTY, PLANT AND EQUIPMENT, net	26,893,599	26,754,975
OPERATING LEASE RIGHT-OF-USE ASSET	1,109,133	1,220,361
GOODWILL	95,557	95,557
INTANGIBLE ASSETS, net	76,416	95,520
OTHER ASSETS	26,115	26,173
TOTAL ASSETS	44,465,688	40,349,594
CURRENT LIABILITIES:
Current portion of debt obligations	812,207	760,337
Current portion of operating lease liability	108,012	100,512
Accounts payable and accrued expenses	1,614,250	1,350,227
Total current liabilities	2,534,469	2,211,076
LONG-TERM LIABILITIES:
Debt obligations, net of current portion	8,327,122	8,737,149
Operating lease liability, net of current portion	1,027,157	1,135,169
Total long-term liabilities	9,354,279	9,872,318
TOTAL LIABILITIES	11,888,748	12,083,394
CONTINGENT LIABILITIES AND COMMITMENTS (See Note 11)
STOCKHOLDERS’ EQUITY:
Common stock, $0.10 par value per share, 15,000,000 and 15,000,000 shares authorized, 7,814,165 and 7,299,009 shares issued and 7,741,864 and 7,218,836 shares outstanding, as of December 31, 2021 and 2020, respectively	781,417	729,901
Additional paid-in capital	35,692,388	31,372,093
Accumulated deficit	(3,738,694)	(3,660,402)
Treasury stock, at cost, 72,301 and 80,173 shares as of December 31, 2021 and 2020, respectively	(158,171)	(175,392)
Total stockholders’ equity	32,576,940	28,266,200
TOTAL LIABILITIES AND STOCKHOLDERS’ EQUITY	$ 44,465,688	$ 40,349,594