Balance Sheets - USD ($)	Sep. 30, 2021	Dec. 31, 2020
CURRENT ASSETS:
Cash and cash equivalents	$ 10,495,759	$ 6,949,937
Short-term investments		996,495
Trade accounts receivable, net	2,422,255	1,796,801
Inventory	2,666,970	2,092,514
Prepaid expenses and other current assets	490,495	321,261
Total current assets	16,075,479	12,157,008
PROPERTY, PLANT AND EQUIPMENT, net	26,815,699	26,754,975
OPERATING LEASE RIGHT-OF-USE ASSET	1,136,940	1,220,361
GOODWILL	95,557	95,557
INTANGIBLE ASSETS, net	81,192	95,520
OTHER ASSETS	26,596	26,173
TOTAL ASSETS	44,231,463	40,349,594
CURRENT LIABILITIES:
Accounts payable and accrued expenses	1,277,018	1,350,227
Current portion of debt obligations	782,525	760,337
Current portion of operating lease liability	106,137	100,512
Total current liabilities	2,165,680	2,211,076
LONG-TERM LIABILITIES:
Debt obligations, net of current portion	8,549,748	8,737,149
Operating lease liability, net of current portion	1,054,160	1,135,169
Total long-term liabilities	9,603,908	9,872,318
TOTAL LIABILITIES	11,769,588	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 September 30, 2021 and December 31, 2020, respectively	781,417	729,901
Additional paid-in capital	35,651,457	31,372,093
Accumulated deficit	(3,812,828)	(3,660,402)
Treasury stock, at cost, 72,301 and 80,173 shares as of September 30, 2021 and December 31, 2020, respectively	(158,171)	(175,392)
Total stockholders’ equity	32,461,875	28,266,200
TOTAL LIABILITIES AND STOCKHOLDERS’ EQUITY	$ 44,231,463	$ 40,349,594