Quarterly report pursuant to Section 13 or 15(d)

CONDENSED CONSOLIDATED BALANCE SHEETS (UNAUDITED)

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CONDENSED CONSOLIDATED BALANCE SHEETS (UNAUDITED) - USD ($)
Mar. 31, 2018
Dec. 31, 2017
Current assets:    
Cash and cash equivalents $ 8,126,859 $ 8,385,595
Restricted cash on deposit 10,000 810,000
Accounts receivable, net 1,284,275 1,610,286
Inventories 843,488 1,259,536
Contract assets 644,479 0
Prepaid expenses and other current assets 362,882 143,566
Income taxes receivable 17,300 17,300
Total current assets 11,289,283 12,226,283
Property and equipment, net 294,748 304,170
Other assets:    
Deposits 17,130 17,130
Total other assets 17,130 17,130
Total Assets 11,601,161 12,547,583
Current liabilities:    
Accounts payable 694,722 978,207
Accrued liabilities and expenses 601,260 668,814
Line of credit 622,852 682,211
Contract liabilities-current 1,480,190 0
Deferred revenues - current 0 292,106
Customer deposits 0 124,380
Total current liabilities 3,399,024 2,745,718
Long-term liabilities:    
Contract liabilities - long term 190,426 0
Deferred revenue - long term 0 219,960
Deferred lease liability - long term 55,280 48,839
Total long-term liabilities 245,706 268,799
Stockholders' Equity    
Common stock, par value $.001 per share; 190,000,000 shares authorized; 133,989,919 and 133,695,111 shares issued and outstanding at March 31, 2018 and December 31,2017, respectively 133,989 133,695
Additional paid-in-capital 127,458,639 127,421,402
Accumulated deficit (121,338,822) (119,724,656)
Total stockholders' equity 7,956,431 9,533,066
Total Liabilities and Stockholders' Equity 11,601,161 12,547,583
Series A Preferred Stock [Member]    
Stockholders' Equity    
Preferred stock value 1,340,566 1,340,566
Series B Preferred Stock [Member]    
Stockholders' Equity    
Preferred stock value $ 362,059 $ 362,059