Quarterly report pursuant to Section 13 or 15(d)

Balance Sheets

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Balance Sheets - USD ($)
Mar. 31, 2016
Dec. 31, 2015
Current assets:    
Cash and cash equivalents $ 12,278,458 $ 15,022,286
Accounts receivable, net 447,771 872,874
Inventories, net 720,568 648,009
Prepayments and other current assets 290,769 296,355
Total current assets 13,737,566 16,839,524
Property and equipment, net 951,652 925,899
Intangible assets, net 1,791,283 1,466,811
Other assets 17,920 17,920
Total assets 16,498,421 19,250,154
Current liabilities:    
Accounts payable 764,054 1,338,828
Accrued expenses 1,186,953 1,240,093
Total current liabilities 1,951,007 2,578,921
Long-term liabilities 259,476 0
Total liabilities $ 2,210,483 $ 2,578,921
Commitments
Stockholders' equity:    
Common stock, $0.001 par value; 50,000,000 shares authorized; 9,557,747 and 9,549,544 shares issued and outstanding at March 31, 2016 and December 31, 2015, respectively $ 9,558 $ 9,550
Additional paid-in capital 51,176,458 50,757,414
Treasury stock (2,657) (2,657)
Accumulated deficit (36,895,421) (34,093,074)
Total stockholders' equity 14,287,938 16,671,233
Total Liabilities and Stockholders' Equity $ 16,498,421 $ 19,250,154