XML 28 R29.htm IDEA: XBRL DOCUMENT v2.4.0.6
Summary of Significant Accounting Policies (Details Textual) (USD $)
12 Months Ended 12 Months Ended 1 Months Ended 12 Months Ended
Feb. 28, 2013
Feb. 29, 2012
Feb. 28, 2011
Feb. 28, 2013
Stock options [Member]
Feb. 29, 2012
Stock options [Member]
Feb. 28, 2013
General and Administrative Expense [Member]
Feb. 29, 2012
General and Administrative Expense [Member]
Jun. 30, 2012
Sport optics [Member]
Feb. 28, 2013
Sport optics [Member]
Feb. 29, 2012
Sport optics [Member]
Feb. 28, 2013
Maximum [Member]
Feb. 28, 2013
Maximum [Member]
Building and Building Improvements [Member]
Feb. 28, 2013
Maximum [Member]
Other Property and Equipment [Member]
Feb. 28, 2013
Minimum [Member]
Feb. 28, 2013
Minimum [Member]
Building and Building Improvements [Member]
Feb. 28, 2013
Minimum [Member]
Other Property and Equipment [Member]
Finite-Lived Intangible Assets [Line Items]                                
Depreciation year of building and other property and equipment                       25 years 7 years   7 years 3 years
Amortization periods for the intangible assets                     15 years     7 years    
Purchase of common stock       70,775 77,350                      
Warranty accrual $ 395,000 $ 736,000 $ 810,000           $ 200,000 $ 500,000            
Product warranty accrual decrease due to agreement               300,000                
Compensation expense attributable to vesting of restricted stock           100,000 100,000                  
Summary of Significant Accounting Policies (Textual) [Abstract]                                
Accrued interest and penalties related to uncertain tax positions 0 0                            
Period for which net operating loss carryforward adjusted for federal tax purposes 3 years                              
Period for which major state jurisdictions in which the company operates 4 years                              
Shipping and handling costs in selling 600,000 600,000                            
Advertising, and marketing expenses 500,000 500,000                            
Dilutive securities 0                              
Covered warranty period 1 year                              
Coronado products warranty period 5 years                              
Benefit recorded against share-based compensation charged $ 0