3. BALANCE SHEET DATA

The following tables provide additional disclosure for accounts receivable, inventories and property, plant and equipment at September 30:



	2013			2012

Accounts Receivable:
Trade receivables	$	20,875		$	23,384
Employee and other receivables		462			827
Allowance for bad debt		(28	)		-

Total	$	21,309		$	24,211

We assess the collectability of our accounts receivable based on historical collection experience and provide allowances for estimated credit losses. Typically, our customers consist of large corporations and government contractors procuring products from us on behalf of or for the benefit of government agencies.



	2013		2012

Inventories:
Finished goods	$	9,020	$	2,966
Work-in-progress		36,032		28,851
Raw materials and supplies		14,520		12,340

Total	$	59,572	$	44,157

Finished goods includes final product that has shipped to our customers but remains subject to a specified customer acceptance period before revenues and the related costs of revenues are recognized.



	2013			2012

Property, Plant and Equipment:
Land and improvements	$	3,693		$	3,693
Buildings and improvements		52,343			50,891
Machinery and equipment		161,472			149,522
Construction in progress		4,264			3,689

Total Cost		221,772			207,795
Less: accumulated depreciation		(117,925	)		(104,479	)

Total	$	103,847		$	103,316