Revolving Credit Facility (Narrative) (Details) (USD $)	6 Months Ended
	Dec. 31, 2012
Line of Credit Facility [Line Items]
Revolving credit facility, maximum borrowing capacity	$ 10,000,000
Revolving credit facility, expiration date	Dec. 31, 2013
Revolving credit facility, interest rate	4.00%
Minimum cash required for covenant compliance	15,000,000
Revolving credit facility, current borrowing capacity	10,000,000
Revolving credit facility, amount outstanding	0
Consolidated tangible net worth required for convenant compliance	13,528,000
Percentage of quarterly net income cash covenant increases by	100.00%
Percentage of equity issuances cash covenant increases by	100.00%
Company's net worth	22,690,000
Cash dividend payments	3,000,000
Dividends	6,283,000
Scenario One [Member]
Line of Credit Facility [Line Items]
Revolving credit facility, interest rate	4.00%
Scenario Two [Member]
Line of Credit Facility [Line Items]
Revolving credit facility, interest rate percentage in addition to LIBOR	2.75%
Minimum [Member]
Line of Credit Facility [Line Items]
Quick ratio required for covenant compliance	1.25
Quick ratio of company	5.52
Maximum [Member]
Line of Credit Facility [Line Items]
Quick ratio required for covenant compliance	1.00
Quick ratio of company	1.00
December 21, 2012 [Member]
Line of Credit Facility [Line Items]
Dividends	$ 4,632,000