Consolidated Statements of Cash Flows (Unaudited) - USD ($)
9 Months Ended
Nov. 30, 2016
Nov. 30, 2015
Cash Flows From Operating activities    
Net income $ 2,718,446 $ 2,947,215
Adjustments to reconcile net income to net cash provided by operating activities:    
Depreciation and amortization 962,632 1,064,211
Provision for slow moving inventory 61,061 68,175
Provision for loss on accounts and notes receivable 109,200 129,000
Loss on sale or disposal of property and equipment 18,783 90,149
Expense recorded for stock compensation 447,581 615,740
Deferred income 14,710 (430,043)
Deferred income taxes 237,131 100,108
Changes in operating assets and liabilities:    
Accounts receivable (650,708) 50,028
Refundable income taxes (284,927)
Inventories (771,281) 121,220
Other current assets (39,008) (9,182)
Accounts payable 156,150 (321,489)
Accrued liabilities 17,281 179,878
Net cash provided by operating activities 2,997,051 4,605,010
Cash Flows From Investing Activities    
Addition to notes receivable (131,243) (46,489)
Proceeds received on notes receivable 255,907 259,619
Purchase of intangible assets (307,023) (54,479)
Proceeds from sale of assets 33,845 23,692
Purchases of property and equipment (1,048,667) (625,180)
Decrease (increase) in other assets 25,402 (115,407)
Net cash used in investing activities (1,171,779) (558,244)
Cash Flows From Financing Activities    
Payments on long-term debt (935,794) (901,560)
Repurchase of common stock (351,584) (3,030,708)
Tax (expense) benefit of stock awards (34,128) 19,868
Dividends paid (2,102,261) (2,137,817)
Net cash used in financing activities (3,423,767) (6,050,217)
Net Decrease in Cash and Cash Equivalents (1,598,495) (2,003,451)
Cash and Cash Equivalents, Beginning of Period 6,194,948 7,157,371
Cash and Cash Equivalents, End of Period $ 4,596,453 $ 5,153,920