XML 44 R6.htm IDEA: XBRL DOCUMENT v2.4.0.6
Consolidated Statements of Cash Flows (Unaudited) (USD $)
 12 Months Ended
Feb. 28, 2013
Feb. 29, 2012
CASH FLOWS FROM OPERATING ACTIVITIES:    
Net Income $ 132,251 $ 1,432,293
Depreciation and amortization 349,937 329,501
Stock based compensation expense 27,103 48,600
Inventory reserve 6,554   
Decrease (Increase) in:    
Accounts receivable (181,426) 221,734
Inventories 723,401 (690,984)
Prepaid expenses and other current assets 32,787 25,554
Deferred tax asset (3,854) (86,167)
(Decrease) Increase in:    
Accounts payable and accrued expenses (196,946) (68,121)
Customer deposits (247,400) (57,331)
Income taxes payable (30,919) 37,250
Net Cash Provided by Operating Activities 611,488 1,192,329
CASH FLOW FROM INVESTING ACTIVITIES:    
Patent application costs (352,212) (474,041)
Purchase of equipment and furnishings (721,923) (4,887)
Purchase of marketable securities (32,218) (12,230)
Net Cash (Used In) Investing Activities (1,106,353) (491,158)
CASH FLOW FROM FINANCING ACTIVITIES:    
Proceeds from exercise of options 25,346 10,044
Proceeds from note payable - bank    237,000
Repayments of long term debt (121,264) (100,327)
Net Cash (Used In) Provided by Financing Activities (95,918) 146,717
NET (DECREASE) IN CASH AND CASH EQUIVALENTS (590,783) 847,888
CASH AND CASH EQUIVALENTS    
Beginning of period 2,531,689 1,683,801
End of period $ 1,940,906 $ 2,531,689