CONDENSED CONSOLIDATED BALANCE SHEETS (USD $) In Thousands, unless otherwise specified	Sep. 30, 2012	Jun. 30, 2012
Current assets:
Cash and cash equivalents	$ 78,834	$ 84,053
Receivables, net of allowance for doubtful accounts of $699 and $760, respectively	29,991	31,601
Inventories	27,507	27,760
Prepaid expenses and other current assets	2,567	2,851
Revenue recognized in excess of billings on uncompleted contracts	4,473	2,371
Deferred income taxes	9,788	8,004
Total current assets	153,160	156,640
Marketable securities	718	729
Property, plant and equipment, net	33,342	33,694
Deferred income taxes	13,768	13,760
Intangible assets, net	4,983	5,198
Total assets	205,971	210,021
Current liabilities:
Accounts payable	8,061	9,613
Progress payments and deferred revenue	3,742	5,482
Accrued salaries and wages	2,980	6,198
Other accrued expenses	7,324	7,234
Income taxes payable	648	416
Total current liabilities	22,755	28,943
Deferred income taxes	2,580	2,580
Other long-term liabilities	4,246	2,518
Total Liabilities	29,581	34,041
Commitments and contingencies
Equity:
Common stock, $0.10 par value per share: 40,000,000 shares authorized;20,752,552 shares issued (20,499,861 at June 30, 2012);18,436,393 shares outstanding (18,239,941 at June 30, 2012)	2,075	2,050
Additional paid-in capital	175,822	176,305
Retained earnings	24,641	22,253
Accumulated other comprehensive income (loss):
Currency translation effects	156	(186)
Treasury stock, at cost, 2,316,159 shares (2,259,920 at June 30, 2012)	(27,859)	(26,797)
Total shareholders’ equity - Zygo Corporation	174,835	173,625
Noncontrolling interests	1,555	2,355
Total equity	176,390	175,980
Total liabilities and equity	$ 205,971	$ 210,021