Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($)	6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015
Volatile Analysis Corporation [Member]
Adjustments to reconcile net income to net cash provided by operating activities:
Gain on sale of business	$ (352,000)
Changes in operating assets and liabilities:
Inventories	30,000
Cash flows from investing activities:
Proceeds from sale of business	500,000
Supplemental schedule of noncash investing and financing activities:
Proceeds from sale of business	500,000
Goodwill	(57,000)
Property, Plant, and Equipment, net	(29,000)
Inventory	(30,000)
Other Assets and Liabilities	(32,000)
Total gain on sale of business	352,000
Net income	1,277,000	1,554,000
Share-based compensation expense	375,000	322,000
Change in fair value of derivative instrument		(3,000)
(Gain) Loss on disposition of long-term assets	63,000	(16,000)
Gain on sale of business	(352,000)
Depreciation and amortization	1,387,000	1,220,000
Deferred income taxes	(234,000)	(106,000)
Excess tax benefit from employee stock plans	(2,000)	(2,000)
Trade accounts receivable, net	(1,603,000)	511,000
Other receivables	37,000	7,000
Inventories	131,000	(650,000)
Prepaid income taxes	(145,000)	432,000
Prepaid expenses, other	(29,000)	(180,000)
Accounts payable	176,000	(888,000)
Accrued compensation and related expenses	(554,000)	(962,000)
Other accrued expenses	39,000	293,000
Accrued product warranties	8,000	20,000
Accrued income taxes	354,000	294,000
Deferred revenue	571,000	281,000
Net cash provided by operating activities	1,499,000	2,127,000
Proceeds from sale of business	500,000
Purchases of property, plant and equipment	(326,000)	(861,000)
Proceeds from sale of property and equipment	50,000	54,000
Cash paid for patents and other intangible assets	(64,000)	(124,000)
Other		(2,000)
Net cash provided by (used in) investing activities	160,000	(933,000)
Proceeds from the revolving lines of credit	1,100,000	11,730,000
Payments on the revolving lines of credit	(1,543,000)	(11,125,000)
Payments on notes payable and seller financed note payable	(33,000)	(538,000)
Proceeds from the exercise of stock options	41,000	149,000
Excess tax benefit from employee stock plans	2,000	2,000
Dividends paid	(1,275,000)	(1,264,000)
Net cash used in financing activities	(1,708,000)	(1,046,000)
Effect of exchange rate changes on cash and cash equivalents	(494,000)	461,000
Net increase (decrease) in cash and cash equivalents	445,000	(313,000)
Beginning of period	6,344,000	6,332,000
End of period	6,789,000	6,019,000
Cash paid during the period for income taxes	304,000	229,000
Cash paid during the period for interest	41,000	67,000
Dividends accrued	638,000	633,000
Purchases of prepaid expenses, fixed assets and intangibles in accounts payable	(94,000)	(123,000)
Transfers of inventory to fixed assets	94,000	28,000
Proceeds from sale of business	500,000
Goodwill	(57,000)
Inventory	(131,000)	650,000
Total gain on sale of business	$ 352,000