Quarterly report pursuant to Section 13 or 15(d)

BALANCE SHEETS (UNAUDITED)

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BALANCE SHEETS (UNAUDITED) - USD ($)
Mar. 31, 2018
Dec. 31, 2017
CURRENT ASSETS    
Cash and cash equivalents $ 4,033,155 $ 3,974,536
Certificates of deposit 158,909 263,269
Accounts receivable less allowance for doubtful accounts of $77,067 at March 31, 2018 and December 31, 2017 1,854,642 1,861,949
Inventory 1,800,549 1,658,681
Prepaid expenses 203,302 170,739
TOTAL CURRENT ASSETS 8,050,557 7,929,174
Property and equipment, net 773,948 836,283
Patents, net of accumulated amortization of $211,865 and $203,768 at March 31, 2018 and December 31, 2017, respectively 504,205 483,821
Other assets 31,582 31,582
TOTAL ASSETS 9,360,292 9,280,860
CURRENT LIABILITIES    
Deferred capital gain - current 20,624 22,481
Accounts payable 549,763 454,398
Accrued expenses 338,921 658,060
Accrued payroll and related taxes 196,628 334,903
Accrued tax liability 111,265 115,854
TOTAL CURRENT LIABILITIES 1,217,201 1,585,696
Deferred capital gain - long term 3,762
Deferred tax liability 24,004 21,675
TOTAL LIABILITIES 1,241,205 1,611,133
STOCKHOLDERS' EQUITY    
Common stock, $0.01 par value; 75,000,000 shares authorized, 40,758,529 and 40,731,529 shares issued, 38,021,298 and 37,994,298 shares outstanding at March 31, 2018 and December 31, 2017, respectively 407,585 407,315
Additional paid-in capital 4,262,381 4,216,718
Retained earnings 3,793,325 3,389,898
TOTAL STOCKHOLDERS' EQUITY BEFORE TREASURY STOCK AND DEFERRED COMPENSATION COST 8,463,291 8,013,931
Less: Treasury stock, 2,737,231 shares at March 31, 2018 and December 31, 2017 (344,204) (344,204)
TOTAL STOCKHOLDERS' EQUITY 8,119,087 7,669,727
TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY $ 9,360,292 $ 9,280,860