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Balance Sheets - USD ($)
Dec. 31, 2017
Dec. 31, 2016
CURRENT ASSETS:    
Cash and cash equivalents $ 3,798,811 $ 5,150,344
Short-term investments 5,474,013
Accounts receivable, net 1,344,022 992,390
Inventory 2,049,732 2,126,899
Prepaid expenses and other current assets 314,667 604,482
Total current assets 7,507,232 14,348,128
PROPERTY, PLANT AND EQUIPMENT, net 26,069,689 9,846,293
DEFERRED TAX ASSETS, net 472,726 201,003
INTANGIBLE ASSETS, net 152,832 171,936
GOODWILL 95,557 95,557
OTHER ASSETS 920 34,264
TOTAL ASSETS 34,298,956 24,697,181
CURRENT LIABILITIES:    
Accounts payable and accrued expenses 1,723,270 1,891,763
Current portion of bank debt 316,629 133,269
Deferred revenue 24,100 33,856
Total current liabilities 2,063,999 2,058,888
LONG-TERM LIABILITIES:    
Bank debt, net of current portion 8,639,021 2,878,805
Interest rate swaps 996 37,346
Total long-term liabilities 8,640,017 2,916,151
TOTAL LIABILITIES 10,704,016 4,975,039
CONTINGENT LIABILITIES AND COMMITMENTS (See Note 15)
STOCKHOLDERS' EQUITY:    
Common stock, $0.10 par value per share, 8,000,000 and 8,000,000 shares authorized, 5,662,645 and 5,044,838 shares issued and 5,476,197 and 4,847,390 shares outstanding, as of December 31, 2017 and 2016, respectively 566,265 504,484
Additional paid-in capital 22,458,219 18,526,383
Retained earnings 978,973 1,147,120
Treasury stock, at cost, 186,448 and 197,448 shares as of December 31, 2017 and 2016, respectively (407,879) (431,943)
Accumulated other comprehensive loss (638) (23,902)
Total stockholders' equity 23,594,940 19,722,142
TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY $ 34,298,956 $ 24,697,181