CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (unaudited) (USD $)	6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013
Cash flows from operating activities:
Net (loss) income	$ (1,233,000)	$ 29,000
Adjustments to reconcile net (loss) income to net cash provided by operating activities:
Share-based compensation expense	52,000	56,000
Depreciation and amortization	308,000	140,000
Loss on disposal of property and equipment	11,000	0
(Gain) loss on sale of marketable securities	(3,000)	2,000
Bond (discount) premium amortization	(2,000)	6,000
Changes in operating assets and liabilities:
Accounts receivable	579,000	1,186,000
Inventories	615,000	568,000
Costs and estimated earnings in excess of billings on uncompleted contracts	0	(124,000)
Other current assets	46,000	78,000
Other assets	(5,000)	29,000
Accounts payable	13,000	(200,000)
Accrued expenses	(74,000)	(53,000)
Income taxes payable	(12,000)	21,000
Customer advances	160,000	(61,000)
Other liabilities	48,000	0
Liability associated with non-renewal of senior officer contract	(20,000)	(218,000)
Net cash provided by operating activities	483,000	1,459,000
Cash flows from investing activities:
Purchases of property and equipment	(68,000)	(156,000)
Purchase of marketable securities	(500,000)	(151,000)
Sale of marketable securities	502,000	150,000
Net cash used in investing activities	(66,000)	(157,000)
Cash flows from financing activities:
Purchase of treasury stock	(92,000)	(325,000)
Repayments of note payable - bank	(215,000)	(724,000)
Repayments of long-term debt	0	(16,000)
Net cash used in financing activities	(307,000)	(1,065,000)
NET INCREASE IN CASH AND CASH EQUIVALENTS	110,000	237,000
Cash and cash equivalents - Beginning of period	2,562,000	610,000
CASH AND CASH EQUIVALENTS - End of period	2,672,000	847,000
Supplemental cash flow information:
Cash paid for interest	22,000	34,000
Cash paid for income taxes	$ 41,000	$ 25,000