XML 33 R52.htm IDEA: XBRL DOCUMENT v2.4.0.8
Summary of Significant Accounting Policies (Details) (USD $)
 3 Months Ended 12 Months Ended
Mar. 31, 2014
Dec. 31, 2013
Sep. 30, 2013
Jun. 30, 2013
Mar. 31, 2013
Dec. 31, 2012
Sep. 30, 2012
Jun. 30, 2012
Mar. 31, 2014
Mar. 31, 2013
Mar. 31, 2012
Inventory [Abstract]                      
Prior period over which allocations of labor and variable and fixed overhead costs are determined based on average actual use of production facilities                 12 months    
Unallocated overhead costs excluded from calculation of finished goods cost                 $ 1,070,000 $ 1,561,000 $ 1,410,000
Percentage of inventory reserve to cost if no liquidation market exists for part (in hundredths) 100.00%               100.00%    
Reserve for excess and obsolete inventory 2,708,000       2,498,000       2,708,000 2,498,000  
Period of normal operating cycle                 1 year    
Revenue Recognition [Abstract]                      
Deferred remanufactured core revenue 15,065,000       12,014,000       15,065,000 12,014,000  
Advertising Costs [Abstract]                      
Advertising expenses                 205,000 343,000 381,000
Reconciliation of basic and diluted net income per share [Abstract]                      
Income from continuing operations 3,067,000 1,148,000 2,164,000 103,000 3,902,000 1,786,000 6,503,000 2,367,000 6,482,000 14,558,000 14,348,000
Income (loss) from discontinued operations 0 0 0 100,877,000 (77,553,000) (851,000) (15,436,000) (12,229,000) 100,877,000 (106,069,000) (62,862,000)
Net income (loss) 3,067,000 1,148,000 2,164,000 100,980,000 (73,651,000) 935,000 (8,933,000) (9,862,000) 107,359,000 (91,511,000) (48,514,000)
Basic shares (in shares)                 14,633,946 14,327,310 12,442,684
Effect of dilutive stock options and warrants (in shares)                 683,985 58,205 314,161
Diluted shares (in shares)                 15,317,931 14,385,515 12,756,845
Net income (loss) per share:                      
Basic net income per share from continuing operations (in dollars per share) $ 0.20 $ 0.08 $ 0.15 $ 0.01 $ 0.27 $ 0.12 $ 0.45 $ 0.17 $ 0.45 $ 1.01 $ 1.15
Basic net income (loss) per share from discontinued operations (in dollars per share) $ 0 $ 0 $ 0 $ 6.97 $ (5.36) $ (0.06) $ (1.07) $ (0.88) $ 6.89 $ (7.40) $ (5.05)
Basic net income (loss) per share (in dollars per share) $ 0.20 $ 0.08 $ 0.15 $ 6.98 $ (5.09) $ 0.06 $ (0.62) $ (0.71) $ 7.34 $ (6.39) $ (3.90)
Diluted net income per share from continuing operations (in dollars per share) $ 0.19 $ 0.07 $ 0.15 $ 0.01 $ 0.27 $ 0.12 $ 0.45 $ 0.17 $ 0.42 $ 1.01 $ 1.13
Diluted net income (loss) per share from discontinued operation (in dollars per share) $ 0 $ 0 $ 0 $ 6.90 $ (5.35) $ (0.06) $ (1.07) $ (0.87) $ 6.59 $ (7.37) $ (4.93)
Diluted net income (loss) per share (in dollars per share) $ 0.19 $ 0.07 $ 0.15 $ 6.91 $ (5.08) $ 0.06 $ (0.62) $ (0.70) $ 7.01 $ (6.36) $ (3.80)
Black-Scholes option pricing model assumptions used to derive the weighted average fair value of the stock options granted [Abstract]                      
Weighted average risk free interest rate (in hundredths)                 1.88% 1.17% 1.74%
Weighted average expected holding period                 5 years 10 months 20 days 6 years 7 months 6 days 6 years 3 months 14 days
Weighted average expected volatility (in hundredths)                 48.15% 44.25% 40.28%
Weighted average expected dividend yield (in hundredths)                 0.00% 0.00% 0.00%
Weighted average fair value of options granted (in dollars per share)                 $ 5.16 $ 2.92 $ 4.21
Deferred Compensation Plan [Abstract]                      
Short-term investments redeemed for the payment of deferred compensation liabilities                 0 0  
Carrying value of plan assets 521,000       411,000       521,000 411,000  
Deferred compensation obligation 521,000       411,000       521,000 411,000  
Expense related to the deferred compensation plan                 $ 10,000 $ 8,000 $ 8,000
Stock Options [Member]
                      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                      
Options granted (in shares)                 331,000 635,800 15,000
Black-Scholes option pricing model assumptions used to derive the weighted average fair value of the stock options granted [Abstract]                      
Weighted average fair value of options granted (in dollars per share)                 $ 5.16    
Options [Member]
                      
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]                      
Antidilutive securities excluded from effect of dilutive options and warrants (in shares)                 77,000 922,334 463,000
Warrants [Member]
                      
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]                      
Antidilutive securities excluded from effect of dilutive options and warrants (in shares)                   735,484 546,283
Minimum [Member]
                      
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]                      
Exercise price (in dollars per share) $ 13.65       $ 5.83       $ 13.65 $ 5.83 $ 10.73
Maximum [Member]
                      
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]                      
Exercise price (in dollars per share) $ 19.94       $ 15.06       $ 19.94 $ 15.06 $ 15.06
Machinery and Equipment [Member] | Minimum [Member]
                      
Plant and Equipment [Line Items]                      
Estimated service life                 5 years    
Machinery and Equipment [Member] | Maximum [Member]
                      
Plant and Equipment [Line Items]                      
Estimated service life                 10 years    
Office Equipment and Fixtures [Member] | Minimum [Member]
                      
Plant and Equipment [Line Items]                      
Estimated service life                 3 years    
Office Equipment and Fixtures [Member] | Maximum [Member]
                      
Plant and Equipment [Line Items]                      
Estimated service life                 10 years