Balance Sheets - USD ($)	Jun. 30, 2021	Dec. 31, 2020
CURRENT ASSETS:
Cash and cash equivalents	$ 10,700,551	$ 6,949,937
Short-term investments		996,495
Trade accounts receivable, net	2,049,946	1,796,801
Inventory	2,420,862	2,092,514
Prepaid expenses and other current assets	360,773	321,261
Total current assets	15,532,132	12,157,008
PROPERTY, PLANT AND EQUIPMENT, net	26,825,848	26,754,975
OPERATING LEASE RIGHT-OF-USE ASSET	1,164,747	1,220,361
GOODWILL	95,557	95,557
INTANGIBLE ASSETS, net	85,968	95,520
OTHER ASSETS	25,391	26,173
TOTAL ASSETS	43,729,643	40,349,594
CURRENT LIABILITIES:
Current portion of debt obligations	774,989	760,337
Current portion of operating lease liability	104,262	100,512
Accounts payable and accrued expenses	1,152,925	1,350,227
Total current liabilities	2,032,176	2,211,076
LONG-TERM LIABILITIES:
Debt obligations, net of current portion	8,347,681	8,737,149
Operating lease liability, net of current portion	1,081,163	1,135,169
Total long-term liabilities	9,428,844	9,872,318
TOTAL LIABILITIES	11,461,020	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 June 30, 2021 and December 31, 2020, respectively	781,417	729,901
Additional paid-in capital	35,605,969	31,372,093
Accumulated deficit	(3,960,592)	(3,660,402)
Treasury stock, at cost, 72,301 and 80,173 shares as of June 30, 2021 and December 31, 2020, respectively	(158,171)	(175,392)
Total stockholders’ equity	32,268,623	28,266,200
TOTAL LIABILITIES AND STOCKHOLDERS’ EQUITY	$ 43,729,643	$ 40,349,594