CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $)	6 Months Ended
	Dec. 31, 2011	Dec. 31, 2010
Cash Flows From Operating Activities:
Net income	$ 2,666,000	$ 3,114,000
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	785,000	378,000
Deferred income taxes	19,000	(41,000)
Stock-based compensation expense	395,000	396,000
Change in operating assets and liabilities:
Accounts receivable	(1,777,000)	(532,000)
Inventories	(1,252,000)	489,000
Other assets	38,000	(34,000)
Accounts payable	658,000	(98,000)
Accrued expenses	(514,000)	(678,000)
Income taxes payable	190,000	(405,000)
Net cash provided by operating activities	1,208,000	2,589,000
Cash Flows From Investing Activities:
Purchase of SeaBotix Inc.	(1,560,000)	0
Capital expenditures and other non-current assets	(595,000)	(282,000)
Net cash used by investing activities	(2,155,000)	(282,000)
Cash Flows From Financing Activities:
Dividends paid	(8,576,000)	0
Purchases of treasury stock	(966,000)	(877,000)
Exercise of stock options	79,000	0
Tax liability from vested restricted stock and stock options exercised	(3,000)	(23,000)
Net cash used by financing activities	(9,466,000)	(900,000)
Net (decrease) increase in cash and cash equivalents	(10,413,000)	1,407,000
Cash and cash equivalents at beginning of period	31,683,000	39,468,000
Cash and cash equivalents at end of period	21,270,000	40,875,000
Supplemental Disclosure of Cash Flow Information:
Income taxes paid	$ 779,000	$ 1,918,000