Statements Of Cash Flows (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Cash flows from operating activities:
Net loss	$ (1,577)	$ (1,560)	$ (3,776)
Adjustments to reconcile net loss to net cash provided by operating activities:
Depreciation and amortization	3,153	3,250	3,368
Amortization of reusable surgical products	5,688	5,592	5,175
Stock based compensation expense	633	636	659
Provision for doubtful accounts	36	25	18
(Reduction) provision for slow moving inventory	(1)	(251)	48
Provision for reusable surgical products' shrinkage	1,727	1,420	3,155
Loss on disposal of property, plant and equipment	39
Change in assets and liabilities:
Increase in accounts receivable	(1,488)	(682)	(278)
(Increase) decrease in inventories	(958)	(244)	2,776
Decrease (increase) in prepaid expenses and other assets	310	(145)	323
Increase (decrease) in accounts payable	387	1,330	(1,022)
Increase (decrease) in employee related and other accrued expenses	66	(833)	(117)
Net cash provided by operating activities	8,015	8,538	10,329
Cash flows from investing activities:
Purchases of property, plant and equipment	(1,840)	(990)	(1,582)
Purchases of reusable surgical products	(8,665)	(6,230)	(5,904)
Net cash used in investing activities	(10,505)	(7,220)	(7,486)
Cash flows from financing activities:
Borrowings on notes payable	124,421	105,224	98,215
Repayments on notes payable	(120,662)	(105,787)	(100,513)
Proceeds from reissuance of bonds	6,045
Repayment on bonds	(6,565)
Repayments on mortgage payable	(215)	(233)	(215)
Payments on obligation under capital lease			(12)
Proceeds from exercise of stock options	1	3
Net cash provided by (used in) financing activities	3,025	(793)	(2,525)
Increase in cash and cash equivalents	535	525	318
Cash and cash equivalents at beginning of year	1,327	802	484
Cash and cash equivalents at end of year	1,862	1,327	802
Supplemental cash flow information:
Cash paid for interest	546	515	644
Cash paid (received) for income taxes, net	$ 153	$ 61	$ (111)