Note 7 (Detail) (USD $)	0 Months Ended
	Mar. 08, 2013	Mar. 31, 2013
Line of Credit Facility, Maximum Borrowing Capacity	$ 12,000,000
Debt Instrument, Basis Spread on Variable Rate (in Basis Points)	2.75%
Year End Minimum Earnings Covenant	200,000
Debt Covenants, Permitted Acquisitions and Redemptions	1,250,000
Excess Availability Threshold Amount	2,500,000
Notes Payable to Bank		$ 1,500,000
Debt Instrument, Interest Rate at Period End		4.125%