Condensed Consolidated Statements of Cash Flows (unaudited) (USD $)	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
Cash flows from operating activities:
Net earnings (loss)	$ 31,000	$ (126,000)	$ 580,000	$ 77,000
Adjustments to reconcile net earnings (loss) to net cash provided by (used in) operating activities:
Depreciation and amortization	33,000	39,000	75,000	79,000
Bad debt recovery	(7,000)	(10,000)	(1,000)	(56,000)
Amortization of unearned compensation	25,000	21,000	45,000	40,000
Issuance of long term asset	(65,000)	0	(100,000)	0
Changes in current assets & liabilities
Accounts receivable	1,426,000	(1,247,000)	773,000	(1,662,000)
Inventory	(670,000)	571,000	378,000	1,762,000
Prepaid expenses & other	531,000	(489,000)	217,000	(497,000)
Accounts payable	(273,000)	(736,000)	(607,000)	230,000
Due to/from subcontractor	(452,000)	97,000	438,000	(1,167,000)
Accrued expenses	(72,000)	(21,000)	233,000	(189,000)
Net cash provided by (used in) operating activities	507,000	(1,901,000)	2,031,000	(1,384,000)
Cash used in investing activities:
Additions to plant & equipment, net	(10,000)	(73,000)	(24,000)	(93,000)
Net cash used in investing activities	(10,000)	(73,000)	(24,000)	(93,000)
Cash (used in) provided by financing activities:
(Repayments) borrowings - note payable	(477,000)	1,793,000	(2,717,000)	1,278,000
Proceeds from shares issued, options exercised and purchase plan	0	0	3,000	18,000
Net cash (used in) provided by financing activities	(477,000)	1,793,000	(2,714,000)	1,296,000
Net increase (decrease) in cash	20,000	(181,000)	(707,000)	(181,000)
Cash at beginning of period	41,000	221,000	768,000	221,000
Cash at end of period	61,000	40,000	61,000	40,000
Supplemental cash flow disclosure:
Interest paid	8,000	30,000	45,000	60,000
Taxes paid	$ 2,000	$ 20,000	$ 2,000	$ 21,000