CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2013		Mar. 31, 2012
Operating activities:
Net loss	$ (794)		$ (57)
Adjustments to reconcile net loss to net cash provided (used) by operating activities:
Depreciation expense included in operating expenses	7		10
Depreciation expense included in cost of sales	5		10
Stock-based compensation cost - options	176		247
Fair value of warrants issued for services rendered	0		20
Interest expense attributable to amortization of debt issuance costs	2		2
Change in fair value of stock option liability	0		(155)
Changes in operating assets and liabilities:
Trade receivables	603		(807)
Inventories	182		361
Prepaid expenses and other current assets	46		16
Trade payables to related parties	(27)		(725)
Trade payables and other accrued expenses	(24)		(427)
Accrued compensation and benefits	179		(30)
Income taxes payable	0		(23)
Long-term deferred rent	(6)		5
Net cash provided (used) by operating activities	349		(1,553)
Financing activities:
Proceeds from exercise of common stock options	0		1
Cash provided by financing activities	0		1
Change in cash and cash equivalents	349		(1,552)
Cash and cash equivalents at beginning of period	2,166	[1]	2,455
Cash and cash equivalents at end of period	2,515		903
Supplemental disclosures of cash flow information:
Income taxes	0		45
Non-cash investing and financing activities:
Transfer of deposits to fixed assets	$ 0		$ 26

[1] Amounts derived from the audited financial statements for the year ended December 31, 2012.