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Condensed Balance Sheets (USD $)
Sep. 30, 2012
Dec. 31, 2011
Current assets:    
Cash and cash equivalents $ 407,211 $ 957,022
Accounts receivable, net 1,288,535 2,791,549
Inventories 1,194,060 1,461,052
Prepaid expenses and other current assets 166,278 218,862
Total current assets 3,056,084 5,428,485
Property and equipment:    
Machinery and office equipment 1,895,390 2,212,178
Computer equipment 1,360,842 1,324,696
Property and equipment, gross 3,256,232 3,536,874
Accumulated depreciation (2,870,131) (3,225,231)
Property and equipment, net 386,101 311,643
Intangible assets, net 105,000 150,000
Goodwill 4,427,000 4,427,000
Other assets 81,518 80,076
Total assets 8,055,703 10,397,204
Current liabilities:    
Accounts payable 3,285,343 3,266,764
Accrued expenses 94,554 94,554
Accrued payroll and related expenses 527,262 564,980
Bank line of credit 654,748 1,109,600
Deferred income on shipments to distributors 993,456 1,571,544
Short term note payable 363,840   
Convertible note payable 400,000   
Short term portion of deferred service revenue 222,734 247,174
Short term portion of capital leases and deferred rent 17,184 17,731
Total current liabilities 6,559,121 6,872,347
Long term portion of deferred service revenue 167,095 167,476
Long term portion of capital leases and deferred rent 229,358 184,341
Deferred income taxes 71,410 47,455
Total liabilities 7,026,984 7,271,619
Stockholders’ equity:    
Common stock, $0.001 par value: Authorized – 10,000,000 shares, Issued and outstanding – 4,861,063 shares at September 30, 2012 and 4,832,079 shares at December 31, 2011 4,861 4,832
Additional paid-in capital 60,837,954 60,324,852
Accumulated deficit (59,814,096) (57,204,099)
Total stockholders’ equity 1,028,719 3,125,585
Total liabilities and stockholders’ equity $ 8,055,703 $ 10,397,204