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Balance Sheets - USD ($)
Mar. 31, 2016
Dec. 31, 2015
Current assets:    
Cash and cash equivalents $ 1,027,808 $ 938,155
Accounts receivable, net 2,387,663 2,358,883
Inventories 1,510,770 1,326,090
Prepaid expenses and other current assets 125,929 87,556
Total current assets 5,052,170 4,710,684
Property and equipment:    
Machinery and office equipment 2,137,211 2,124,297
Computer equipment 1,084,675 1,049,234
Property and equipment, gross 3,221,886 3,173,531
Accumulated depreciation (2,754,425) (2,698,828)
Property and equipment, net 467,461 474,703
Goodwill 4,427,000 4,427,000
Other assets 75,918 75,918
Total assets 10,022,549 9,688,305
Current liabilities:    
Accounts payable and accrued expenses 2,327,694 2,214,467
Accrued payroll and related expenses 555,367 $ 602,888
Bank line of credit 350,000
Net deferred revenue on shipments to distributors 924,104 $ 1,004,260
Customer deposit $ 321,581 640,440
Related party short term notes payable 500,000
Related party convertible notes payable-current portion $ 380,696 380,696
Short term portion of deferred service revenue 75,899 85,578
Short term portion of capital leases and deferred rent 17,789 24,440
Total current liabilities 4,953,130 5,452,769
Related party convertible notes payable 371,929 371,929
Long term portion of deferred service revenue 36,320 39,800
Long term portion of capital leases and deferred rent 304,798 305,016
Deferred income taxes 183,199 175,214
Total liabilities 5,849,376 6,344,728
Stockholders’ equity:    
Common stock, $0.001 par value: Authorized – 20,000,000 shares, Issued and outstanding – 5,805,998 shares at March 31, 2016 and 5,620,455 shares at December 31, 2015 5,806 5,620
Additional paid-in capital 62,491,938 62,210,842
Accumulated deficit (58,324,571) (58,872,885)
Total stockholders’ equity 4,173,173 3,343,577
Total liabilities and stockholders’ equity $ 10,022,549 $ 9,688,305