CONDENSED CONSOLIDATED BALANCE SHEETS (USD $) In Thousands, unless otherwise specified	Sep. 30, 2013	Jun. 30, 2013
Current assets:
Cash and cash equivalents	$ 84,484	$ 83,056
Receivables, net of allowance for doubtful accounts of $299 and $272, respectively	30,667	32,360
Inventories	30,539	30,185
Prepaid expenses, prepaid taxes and other current assets	4,688	5,429
Revenue recognized in excess of billings on uncompleted contracts	4,756	5,342
Deferred income taxes	13,085	7,261
Total current assets	168,219	163,633
Marketable securities	667	662
Property, plant and equipment, net	36,604	34,343
Deferred income taxes	6,189	14,967
Intangible assets, net	4,497	4,615
Total assets	216,176	218,220
Current liabilities:
Accounts payable	7,634	7,170
Progress payments and deferred revenue	3,856	4,538
Billings in excess of costs and estimated earnings on uncompleted contracts	5,177	6,481
Accrued salaries and wages	3,299	3,746
Other accrued expenses	4,451	4,558
Deferred income taxes	122	123
Income taxes payable	336	19
Total current liabilities	24,875	26,635
Deferred income taxes	695	704
Other long-term liabilities	3,345	4,997
Total liabilities	28,915	32,336
Commitments and contingencies
Equity:
Common stock, $0.10 par value per share: 40,000,000 shares authorized; 21,085,662 shares issued (20,858,158 at June 30, 2013); 18,687,638 shares outstanding (18,532,623 at June 30, 2013)	2,109	2,086
Additional paid-in capital	181,669	180,324
Retained earnings	30,504	30,104
Accumulated other comprehensive loss:
Currency translation effects	(38)	(641)
Unrealized loss on hedge	(106)	(16)
Treasury stock, at cost, 2,398,024 shares (2,325,535 at June 30, 2013)	(29,091)	(28,016)
Total shareholders’ equity - Zygo Corporation	185,047	183,841
Noncontrolling interest	2,214	2,043
Total equity	187,261	185,884
Total liabilities and equity	$ 216,176	$ 218,220